MATE GGZZ II/3. Gaia-Ekuazio sistemak Ariketa_1_1 Eztabaidatu sistema hauek eta ahal denean ebatzi, Gauss-en metodoa erabiliz:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mfenced open=¨{¨ close=¨¨»«mtable columnalign=¨left¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»-«/mo»«mi»z«/mi»«mo»=«/mo»«mn»1«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»x«/mi»«mo»-«/mo»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»1«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo»-«/mo»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»1«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mrow»«/mstyle»«/math»

H(A)= {#1} {#2} H(A^*)= {#3} {#4} ezezagun kopurua

SISTEMA {#5}

Emaitza: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»x«/mi»«mo»=«/mo»«/mrow»«/mstyle»«/math» {#6} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»y«/mi»«mo»=«/mo»«/mstyle»«/math»{#7} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»z«/mi»«mo»=«/mo»«/mstyle»«/math»{#8}

]]> 8.0000000 0.3333333 0 <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>-</mo><mi>z</mi><mo>=</mo><mn>1</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>-</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>1</mn></mtd></mtr><mtr><mtd><mo>-</mo><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>1</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mo>-</mo><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d1</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mo>-</mo><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_1_2 Eztabaidatu sistema hauek eta ahal denean ebatzi, Gauss-en metodoa erabiliz:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨{¨ close=¨¨»«mtable columnalign=¨left¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»3«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»-«/mo»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»4«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mn»4«/mn»«mi»y«/mi»«mo»+«/mo»«mn»2«/mn»«mi»z«/mi»«mo»=«/mo»«mn»5«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

H(A)= {#1} {#2} H(A*)= {#3} {#4} ezezagun kopurua

SISTEMA {#5}

]]> 8.0000000 0.3333333 0 <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>3</mn></mtd></mtr><mtr><mtd><mn>2</mn><mo>*</mo><mi>x</mi><mo>-</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>4</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>+</mo><mn>4</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>2</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>5</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>2</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><mn>4</mn></mtd><mtd><mn>2</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d1</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>3</mn></mtd></mtr><mtr><mtd><mn>2</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>4</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><mn>4</mn></mtd><mtd><mn>2</mn></mtd><mtd><mn>5</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>-</mo><mfrac><mn>2</mn><mn>3</mn></mfrac><mo>*</mo><mi>z</mi><mo>+</mo><mfrac><mn>7</mn><mn>3</mn></mfrac></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>-</mo><mfrac><mn>1</mn><mn>3</mn></mfrac><mo>*</mo><mi>z</mi><mo>+</mo><mfrac><mn>2</mn><mn>3</mn></mfrac></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z</mi></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_1_3 Eztabaidatu sistema hauek eta ahal denean ebatzi, Gauss-en metodoa erabiliz:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨{¨ close=¨¨»«mtable columnalign=¨left¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»=«/mo»«mn»1«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mo»-«/mo»«mn»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»3«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

H(A)= {#1} {#2} H(A*)= {#3} {#4} ezezagun kopurua

SISTEMA {#5} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»y«/mi»«mo»=«/mo»«/mstyle»«/math»{#6} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»z«/mi»«mo»=«/mo»«/mstyle»«/math»{#7}

]]> 7.0000000 0.3333333 0

Emaitza: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»x«/mi»«mo»=«/mo»«/mrow»«/mstyle»«/math» {:SA:=#a}]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>=</mo><mn>1</mn></mtd></mtr><mtr><mtd><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mo>-</mo><mn>2</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>3</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>0</mn></mtd></mtr><mtr><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d1</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mo>-</mo><mn>2</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>3</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>-</mo><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_10 Bi lagun dira eta 20.000 € inbertitu du bakoitzak. Lehenengoak A kantitate bat %4an ezarri du, B %5ean eta, gainerakoa, %6an. Beste lagunak A kantitatea bera %5ean ezarri du, B %6an, eta, gainerakoa, %4an.

Zehaztu A, B eta C kantitateak, jakinik lehenengoak 1050 € lortu dituela interesetan eta, bigarrenak, 950 € lortu dituela.

]]> 1.0000000 0.3333333 0 0 A-kantitatea =#x1B-kantitatea =#y1 C-kantitatea =#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>20000</mn></mtd></mtr><mtr><mtd><mn>0</mn><mo>.</mo><mn>04</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>0</mn><mo>.</mo><mn>05</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>0</mn><mo>.</mo><mn>06</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>1050</mn></mtd></mtr><mtr><mtd><mn>0</mn><mo>.</mo><mn>05</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>0</mn><mo>.</mo><mn>06</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>0</mn><mo>.</mo><mn>04</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>950</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>5000.</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>5000.</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>10000.</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>A</mi><mo>-</mo><mi>k</mi><mi>a</mi><mi>n</mi><mi>t</mi><mi mathvariant="normal">i</mi><mi>t</mi><mi>a</mi><mi>t</mi><mi mathvariant="normal">e</mi><mi>a</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>B</mi><mo>-</mo><mi>k</mi><mi>a</mi><mi>n</mi><mi>t</mi><mi mathvariant="normal">i</mi><mi>t</mi><mi>a</mi><mi>t</mi><mi mathvariant="normal">e</mi><mi>a</mi><mo> </mo><mo> </mo><mo>=</mo><mo>#</mo><mi>y</mi><mn>1</mn><mo> </mo><mspace linebreak="newline"/><mi>C</mi><mo>-</mo><mi>k</mi><mi>a</mi><mi>n</mi><mi>t</mi><mi mathvariant="normal">i</mi><mi>t</mi><mi>a</mi><mi>t</mi><mi mathvariant="normal">e</mi><mi>a</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_11 Denda batek bideojoko baten 600 ale saldu ditu, guztira 6384 €-tan. Hasierako prezioa 12 € zen, baina akastun kopiak ere saldu dituzte %30 eta %40 merkeago. Saldutako akastun kopiak ondo zeudenen erdiak direla jakinda, kalkulatu zenbat kopia saldu ziren %30 merkeago.

]]> 1.0000000 0.3333333 0 0 €30_ko-beherapena-aplikatutako-kopia-kopurua =#x1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>600</mn></mtd></mtr><mtr><mtd><mn>12</mn><mo>*</mo><mn>0</mn><mo>.</mo><mn>7</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>12</mn><mo>*</mo><mn>0</mn><mo>.</mo><mn>6</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>12</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>6384</mn></mtd></mtr><mtr><mtd><mi>z</mi><mo>=</mo><mn>2</mn><mo>*</mo><mfenced><mrow><mi>x</mi><mo>+</mo><mi>y</mi></mrow></mfenced></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>120.</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>80.</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>400.</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mo>€</mo><mn>30</mn><mi>_</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>b</mi><mi mathvariant="normal">e</mi><mi>h</mi><mi mathvariant="normal">e</mi><mi>r</mi><mi>a</mi><mi>p</mi><mi mathvariant="normal">e</mi><mi>n</mi><mi>a</mi><mo>-</mo><mi>a</mi><mi>p</mi><mi>l</mi><mi mathvariant="normal">i</mi><mi>k</mi><mi>a</mi><mi>t</mi><mi>u</mi><mi>t</mi><mi>a</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi mathvariant="normal">i</mi><mi>a</mi><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi>u</mi><mi>r</mi><mi>u</mi><mi>a</mi><mo> </mo><mo> </mo><mo>=</mo><mo>#</mo><mi>x</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/><data name="inputCompound">true</data></localData></question> Ariketa_12 Diru-kutxa automatiko batek 10, 20 eta 50 €-ko 95 billete ditu eta 2000 € guztira. 10 €-ko billeteen kopurua 20 €-koen bikoitza bada, aurkitu mota bakoitzeko zenbat billete dauden diru-kutxan.

]]> 1.0000000 0.3333333 0 0 10€_ko-billeteak=#x120€_ko-billeteak=#y1 50€_ko-billeteak=#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>95</mn></mtd></mtr><mtr><mtd><mn>10</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>20</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>50</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>2000</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>=</mo><mn>2</mn><mo>*</mo><mi>y</mi></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>50</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>25</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>20</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>10</mn><mo>€</mo><mi>_</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>b</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi>l</mi><mi mathvariant="normal">e</mi><mi>t</mi><mi mathvariant="normal">e</mi><mi>a</mi><mi>k</mi><mo>=</mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mn>20</mn><mo>€</mo><mi>_</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>b</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi>l</mi><mi mathvariant="normal">e</mi><mi>t</mi><mi mathvariant="normal">e</mi><mi>a</mi><mi>k</mi><mo>=</mo><mo>#</mo><mi>y</mi><mn>1</mn><mo> </mo><mspace linebreak="newline"/><mn>50</mn><mo>€</mo><mi>_</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>b</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi>l</mi><mi mathvariant="normal">e</mi><mi>t</mi><mi mathvariant="normal">e</mi><mi>a</mi><mi>k</mi><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_13 Aurki ezazu honako ezaugarriak egiaztatzen dituen hiru zifrako zebaki bat:

Bere zifren batura 24 izatea.
Batekoen eta hamarrekoen zifrak elkar trukatuz gero, zenbakia bederatzi unitate txikiagotzea.
Ehunekoen eta hamarrekoen zifrak elkar trukatzen badira, zenbakia 90 unitate txikiagotzea.

]]> 1.0000000 0.3333333 0 0 Eskatutako-zenbakia=#n]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>24</mn></mtd></mtr><mtr><mtd><mn>100</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>10</mn><mo>*</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>100</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>10</mn><mo>*</mo><mi>z</mi><mo>+</mo><mi>y</mi><mo>+</mo><mn>9</mn></mtd></mtr><mtr><mtd><mn>100</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>10</mn><mo>*</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>100</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>10</mn><mo>*</mo><mi>x</mi><mo>+</mo><mi>z</mi><mo>+</mo><mn>90</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>n</mi><mo>=</mo><mn>100</mn><mo>*</mo><mi>x1</mi><mo>+</mo><mn>10</mn><mo>*</mo><mi>y1</mi><mo>+</mo><mi>z1</mi></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>9</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>8</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>7</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>n</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>987</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>E</mi><mi>s</mi><mi>k</mi><mi>a</mi><mi>t</mi><mi>u</mi><mi>t</mi><mi>a</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>z</mi><mi mathvariant="normal">e</mi><mi>n</mi><mi>b</mi><mi>a</mi><mi>k</mi><mi mathvariant="normal">i</mi><mi>a</mi><mo>=</mo><mo>#</mo><mi>n</mi></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_14 Aurki ezazu m-ren zer baliorentzat duen sistema honek nabaria ez den ebazpena:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mi»m«/mi»«mi»x«/mi»«mo»+«/mo»«mn»2«/mn»«mi»y«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»m«/mi»«mi»x«/mi»«mo»+«/mo»«mi»m«/mi»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»+«/mo»«mn»2«/mn»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

Eman m-ri aurkitu duzun balioren bat eta ebatz ezazu sistema.

m = {#1}

Emaitza: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»x«/mi»«mo»=«/mo»«/mrow»«/mstyle»«/math»{#2} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»y«/mi»«mo»=«/mo»«/mstyle»«/math» {#3} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»z«/mi»«mo»=«/mo»«/mstyle»«/math»{#4}

]]> 4.0000000 0.3333333 0 <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r</mi><mo>=</mo><mi>resolver</mi><mfenced><mrow><mfenced close="|" open="|"><mtable><mtr><mtd><mi>x</mi></mtd><mtd><mn>2</mn></mtd><mtd><mn>0</mn></mtd></mtr><mtr><mtd><mi>x</mi></mtd><mtd><mi>x</mi></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>2</mn></mtd><mtd><mn>2</mn></mtd><mtd><mn>1</mn></mtd></mtr></mtable></mfenced><mo>=</mo><mn>0</mn><mo>,</mo><reals/></mrow></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>m</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi><mo>=</mo><mi>m</mi></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>e1</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>a</mi><mo>*</mo><mi>x</mi><mo>+</mo><mn>2</mn><mi>y</mi><mo>=</mo><mn>0</mn></mtd></mtr><mtr><mtd><mi>a</mi><mo>*</mo><mi>x</mi><mo>+</mo><mi>a</mi><mo>*</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>0</mn></mtd></mtr><mtr><mtd><mn>2</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>2</mn><mo>*</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>0</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a1</mi><mo>=</mo><msub><mi>e1</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b1</mi><mo>=</mo><msub><mi>e1</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c1</mi><mo>=</mo><msub><mi>e1</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>m</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>-</mo><mi>y</mi></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y</mi></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_15_1 Aztertu eta ebatzi m parametroaren arabera

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»m«/mi»«mi»x«/mi»«mo»+«/mo»«mn»2«/mn»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»-«/mo»«mi»y«/mi»«mo»+«/mo»«mi»m«/mi»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

Hasi m-ren balio txikienarekin.

m = {#1} bada, orduan , H(A)= {#2} {#3} H(A^*)= {#4} {#5} ezezagun kopurua

SISTEMA {#6}

Emaitza: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»x«/mi»«mo»=«/mo»«/mrow»«/mstyle»«/math»{#7} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»y«/mi»«mo»=«/mo»«/mstyle»«/math» {#8} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»z«/mi»«mo»=«/mo»«/mstyle»«/math»{#9}

m = {#10} bada, orduan , H(A)= {#11} {#12} H(A^*)= {#13} {#14} ezezagun kopurua

SISTEMA {#15}

Emaitza: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»x«/mi»«mo»=«/mo»«/mrow»«/mstyle»«/math»{#16} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»y«/mi»«mo»=«/mo»«/mstyle»«/math» {#17} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»z«/mi»«mo»=«/mo»«/mstyle»«/math»{#18}

m «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mo»§#8800;«/mo»«/mstyle»«/math» {#19} eta m «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mo»§#8800;«/mo»«/mstyle»«/math» {#20} bada, orduan , H(A)= {#21} {#22} H(A^*)= {#23} {#24} ezezagun kopurua

SISTEMA {#25}

Emaitza: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»x«/mi»«mo»=«/mo»«/mrow»«/mstyle»«/math»{#26} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»y«/mi»«mo»=«/mo»«/mstyle»«/math» {#27} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»z«/mi»«mo»=«/mo»«/mstyle»«/math»{#28}

]]> 28.0000000 0.3333333 0 <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r</mi><mo>=</mo><mi>resolver</mi><mfenced><mrow><mfenced close="|" open="|"><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mi>x</mi></mtd><mtd><mn>0</mn></mtd><mtd><mn>2</mn></mtd></mtr><mtr><mtd><mn>2</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd><mtd><mi>x</mi></mtd></mtr></mtable></mfenced><mo>=</mo><mn>0</mn><mo>,</mo><reals/></mrow></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol1</mi><mo>=</mo><mi>minimo</mi><mo>(</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo><mo>,</mo><msub><mi>r</mi><mn>2</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol2</mi><mo>=</mo><mi>maximo</mi><mo>(</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo><mo>,</mo><msub><mi>r</mi><mn>2</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi><mo>=</mo><mn>8</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mi>a</mi></mtd><mtd><mn>0</mn></mtd><mtd><mn>2</mn></mtd></mtr><mtr><mtd><mn>2</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd><mtd><mi>a</mi></mtd></mtr></mtable></mfenced></math></input></command><command><input><math 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xmlns="http://www.w3.org/1998/Math/MathML"><mi>a2</mi><mo>=</mo><msub><mi>e</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b2</mi><mo>=</mo><msub><mi>e</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c2</mi><mo>=</mo><msub><mi>e</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi><mo>=</mo><mi>sol1</mi></math></input></command><command><input><math 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xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>-</mo><mn>3</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol2</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3</mn></math></output></command><command><input><math 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xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a3</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>-</mo><mi>z</mi></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b3</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c3</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z</mi></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_15_2 Aztertu eta ebatzi m parametroaren arabera

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»-«/mo»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mn»2«/mn»«mi»y«/mi»«mo»-«/mo»«mn»3«/mn»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»3«/mn»«mi»x«/mi»«mo»-«/mo»«mn»4«/mn»«mi»y«/mi»«mo»-«/mo»«mi»m«/mi»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

m = {#1} bada, orduan , H(A)= {#2} {#3} H(A*)= {#4} {#5} ezezagun kopurua

SISTEMA {#6}

m «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mo»§#8800;«/mo»«/mstyle»«/math» {#10} bada, orduan , H(A)= {#11} {#12} H(A*)= {#13} {#14} ezezagun kopurua

SISTEMA {#15}

]]> 18.0000000 0.3333333 0 <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r</mi><mo>=</mo><mi>resolver</mi><mfenced><mrow><mfenced close="|" open="|"><mtable><mtr><mtd><mn>2</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><mn>2</mn></mtd><mtd><mo>-</mo><mn>3</mn></mtd></mtr><mtr><mtd><mn>3</mn></mtd><mtd><mo>-</mo><mn>4</mn></mtd><mtd><mo>-</mo><mi>x</mi></mtd></mtr></mtable></mfenced><mo>=</mo><mn>0</mn><mo>,</mo><reals/></mrow></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math 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xmlns="http://www.w3.org/1998/Math/MathML"><mi>a1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mn>1</mn><mn>5</mn></mfrac><mo>*</mo><mi>z</mi></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mn>7</mn><mn>5</mn></mfrac><mo>*</mo><mi>z</mi></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z</mi></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_16 Andoni Jon baino urtebete zaharragoa da eta Luis ere Gotzon baino urtebete zaharragoa da. Eman lauren adina, jakinda Luisen adina Antonioren urteen hirurenaren eta zazpirenaren arteko batura dela, eta Gotzonena Jonen urteen laurdenaren eta bostenaren arteko batura dela.

]]> 1.0000000 0.3333333 0 0 Andoniren-adina =#x1Gotzoen-adina =#y1 Jonen-adina =#z1Luisen-adina =#t1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>=</mo><mi>z</mi><mo>+</mo><mn>1</mn></mtd></mtr><mtr><mtd><mi>t</mi><mo>=</mo><mi>y</mi><mo>+</mo><mn>1</mn></mtd></mtr><mtr><mtd><mi>t</mi><mo>=</mo><mfenced><mrow><mfrac><mn>1</mn><mn>3</mn></mfrac><mo>+</mo><mfrac><mn>1</mn><mn>7</mn></mfrac></mrow></mfenced><mo>*</mo><mi>x</mi></mtd></mtr><mtr><mtd><mi>y</mi><mo>=</mo><mfenced><mrow><mfrac><mn>1</mn><mn>4</mn></mfrac><mo>+</mo><mfrac><mn>1</mn><mn>5</mn></mfrac></mrow></mfenced><mo>*</mo><mi>z</mi></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>t1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>t</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>21</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>9</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>20</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>t1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>10</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>A</mi><mi>n</mi><mi mathvariant="normal">d</mi><mi>o</mi><mi>n</mi><mi mathvariant="normal">i</mi><mi>r</mi><mi mathvariant="normal">e</mi><mi>n</mi><mo>-</mo><mi>a</mi><mi mathvariant="normal">d</mi><mi mathvariant="normal">i</mi><mi>n</mi><mi>a</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>G</mi><mi>o</mi><mi>t</mi><mi>z</mi><mi>o</mi><mi mathvariant="normal">e</mi><mi>n</mi><mo>-</mo><mi>a</mi><mi mathvariant="normal">d</mi><mi mathvariant="normal">i</mi><mi>n</mi><mi>a</mi><mo> </mo><mo> </mo><mo>=</mo><mo>#</mo><mi>y</mi><mn>1</mn><mo> </mo><mspace linebreak="newline"/><mi>J</mi><mi>o</mi><mi>n</mi><mi mathvariant="normal">e</mi><mi>n</mi><mo>-</mo><mi>a</mi><mi mathvariant="normal">d</mi><mi mathvariant="normal">i</mi><mi>n</mi><mi>a</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn><mspace linebreak="newline"/><mi>L</mi><mi>u</mi><mi mathvariant="normal">i</mi><mi>sen</mi><mo>-</mo><mi>a</mi><mi mathvariant="normal">d</mi><mi mathvariant="normal">i</mi><mi>n</mi><mi>a</mi><mo> </mo><mo> </mo><mo>=</mo><mo>#</mo><mi>t</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_17 8 kg kafe natural eta 5 kg kafe torrefakturen truke 66 € ordaindu dira. Kalkulatu kafe-mota bakoitzeko kiloaren prezioa, erdia eta erdia nahastuz gero kiloa 5 €tan saltzen dela jakina bada.

]]> 1.0000000 0.3333333 0 0 Kafe-naturalaren-kiloaren-prezioa =#x1Kafe-torrefaktoaren-kiloaren-prezioa =#y1 ]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>=</mo><mn>10</mn></mtd></mtr><mtr><mtd><mn>8</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>5</mn><mo>*</mo><mi>y</mi><mo>=</mo><mn>66</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mn>16</mn><mn>3</mn></mfrac></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mn>14</mn><mn>3</mn></mfrac></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>K</mi><mi>a</mi><mi>f</mi><mi mathvariant="normal">e</mi><mo>-</mo><mi>n</mi><mi>a</mi><mi>t</mi><mi>u</mi><mi>r</mi><mi>a</mi><mi>l</mi><mi>a</mi><mi>r</mi><mi mathvariant="normal">e</mi><mi>n</mi><mo>-</mo><mi>k</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi>o</mi><mi>a</mi><mi>r</mi><mi mathvariant="normal">e</mi><mi>n</mi><mo>-</mo><mi>p</mi><mi>r</mi><mi mathvariant="normal">e</mi><mi>z</mi><mi mathvariant="normal">i</mi><mi>o</mi><mi>a</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>K</mi><mi>a</mi><mi>f</mi><mi mathvariant="normal">e</mi><mo>-</mo><mi>t</mi><mi>o</mi><mi>r</mi><mi>r</mi><mi mathvariant="normal">e</mi><mi>f</mi><mi>a</mi><mi>k</mi><mi>t</mi><mi>o</mi><mi>a</mi><mi>r</mi><mi mathvariant="normal">e</mi><mi>n</mi><mo>-</mo><mi>k</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi>o</mi><mi>a</mi><mi>r</mi><mi mathvariant="normal">e</mi><mi>n</mi><mo>-</mo><mi>p</mi><mi>r</mi><mi mathvariant="normal">e</mi><mi>z</mi><mi mathvariant="normal">i</mi><mi>o</mi><mi>a</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>y</mi><mn>1</mn><mo> </mo></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_18 Euro bateko txanponak gordetzen dituzten hiru kutxa ditugu, A, B eta C. Guztira 36 euro daude. A kutxako txanpon kopurua, beste kutxa bietan batera dagoena baino 2 unitaten handiagoa da. B kutxatik A kutxara txanpon bat pasatzen badugu, A kutxan B-ko txanponen bikoitza egongo da. Aurkitu zenbat txanpon zeuden kutxa bakoitzean.

]]> 1.0000000 0.3333333 0 0 A-kutxako-txanpon-kopurua=#x1B-kutxako-txanpon-kopurua=#y1 C-kutxako-txanpon-kopurua=#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>36</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>=</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>+</mo><mn>2</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>+</mo><mn>1</mn><mo>=</mo><mn>2</mn><mo>*</mo><mfenced><mrow><mi>y</mi><mo>-</mo><mn>1</mn></mrow></mfenced></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>19</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>11</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>6</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>A</mi><mo>-</mo><mi>k</mi><mi>u</mi><mi>t</mi><mi>x</mi><mi>a</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>t</mi><mi>x</mi><mi>a</mi><mi>n</mi><mi>p</mi><mi>o</mi><mi>n</mi><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi>u</mi><mi>r</mi><mi>u</mi><mi>a</mi><mo>=</mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>B</mi><mo>-</mo><mi>k</mi><mi>u</mi><mi>t</mi><mi>x</mi><mi>a</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>t</mi><mi>x</mi><mi>a</mi><mi>n</mi><mi>p</mi><mi>o</mi><mi>n</mi><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi>u</mi><mi>r</mi><mi>u</mi><mi>a</mi><mo>=</mo><mo>#</mo><mi>y</mi><mn>1</mn><mo> </mo><mspace linebreak="newline"/><mi>C</mi><mo>-</mo><mi>k</mi><mi>u</mi><mi>t</mi><mi>x</mi><mi>a</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>t</mi><mi>x</mi><mi>a</mi><mi>n</mi><mi>p</mi><mi>o</mi><mi>n</mi><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi>u</mi><mi>r</mi><mi>u</mi><mi>a</mi><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_19 Ebatzi ekuazio linealezko sistema (erabili nahi duzun metodoa):

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mtable align=¨center¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»6«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»-«/mo»«mn»3«/mn»«mi»y«/mi»«mo»-«/mo»«mi»z«/mi»«mo»=«/mo»«mo»-«/mo»«mn»9«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»3«/mn»«mi»x«/mi»«mo»+«/mo»«mn»2«/mn»«mi»y«/mi»«mo»-«/mo»«mn»5«/mn»«mi»z«/mi»«mo»=«/mo»«mo»-«/mo»«mn»1«/mn»«/mtd»«/mtr»«/mtable»«/mtd»«/mtr»«/mtable»«/mfenced»«/mstyle»«/math»

]]> 1.0000000 0.3333333 0 0 x= #x1y= #y1z=#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>6</mn></mtd></mtr><mtr><mtd><mn>2</mn><mo>*</mo><mi>x</mi><mo>-</mo><mn>3</mn><mo>*</mo><mi>y</mi><mo>-</mo><mi>z</mi><mo>=</mo><mo>-</mo><mn>9</mn></mtd></mtr><mtr><mtd><mn>3</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>2</mn><mo>*</mo><mi>y</mi><mo>-</mo><mn>5</mn><mo>*</mo><mi>z</mi><mo>=</mo><mo>-</mo><mn>1</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x</mi><mo>=</mo><mo> </mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>y</mi><mo>=</mo><mo> </mo><mo>#</mo><mi>y</mi><mn>1</mn><mspace linebreak="newline"/><mi>z</mi><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_2 Kalkulatu m-ren balioak ondorengo sistema bateraezina izan dadin:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨{¨ close=¨¨»«mtable columnalign=¨left¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»8«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»10«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»3«/mn»«mi»x«/mi»«mo»+«/mo»«mn»2«/mn»«mi»y«/mi»«mo»+«/mo»«mi»m«/mi»«mi»z«/mi»«mo»=«/mo»«mn»5«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

m = {#1}

]]> 1.0000000 0.3333333 0 <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mo>(</mo><mfenced close="|" open="|"><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>2</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>3</mn></mtd><mtd><mn>2</mn></mtd><mtd><mi>x</mi></mtd></mtr></mtable></mfenced><mo>=</mo><mn>0</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_20_1 Eztabaidatu ondorengo sistema:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨{¨ close=¨¨»«mtable columnalign=¨left¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»-«/mo»«mn»2«/mn»«mi»z«/mi»«mo»=«/mo»«mn»1«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»-«/mo»«mi»y«/mi»«mo»+«/mo»«mn»4«/mn»«mi»z«/mi»«mo»=«/mo»«mn»7«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»4«/mn»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»=«/mo»«mn»9«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

H(A)= {#1} {#2} H(A*)= {#3} {#4} ezezagun kopurua

SISTEMA {#5}

Emaitza: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»x«/mi»«mo»§#160;«/mo»«mo»=«/mo»«/mrow»«/mstyle»«/math»{#6} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»y«/mi»«mo»§#160;«/mo»«mo»=«/mo»«/mstyle»«/math» {#7} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»z«/mi»«mo»§#160;«/mo»«mo»=«/mo»«/mstyle»«/math»{#8}

]]> 8.0000000 0.3333333 0 <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>-</mo><mn>2</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>1</mn></mtd></mtr><mtr><mtd><mn>2</mn><mo>*</mo><mi>x</mi><mo>-</mo><mi>y</mi><mo>+</mo><mn>4</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>7</mn></mtd></mtr><mtr><mtd><mn>4</mn><mo>*</mo><mi>x</mi><mo>+</mo><mi>y</mi><mo>=</mo><mn>9</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>-</mo><mfrac><mn>2</mn><mn>3</mn></mfrac><mo>*</mo><mi>z</mi><mo>+</mo><mfrac><mn>8</mn><mn>3</mn></mfrac></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mn>8</mn><mn>3</mn></mfrac><mo>*</mo><mi>z</mi><mo>-</mo><mfrac><mn>5</mn><mn>3</mn></mfrac></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z</mi></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">true</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_20_2 Eztabaidatu sistema eta ahal bada ebatzi:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨{¨ close=¨¨»«mtable columnalign=¨left¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»=«/mo»«mn»6«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»=«/mo»«mn»5«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»4«/mn»«mi»x«/mi»«mo»+«/mo»«mn»3«/mn»«mi»y«/mi»«mo»=«/mo»«mn»11«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

H(A)= {#1} {#2} H(A*)= {#3} {#4} ezezagun kopurua

SISTEMA {#5}

]]> 5.0000000 0.3333333 0 <question><assertions><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_21 Ebatzi ekuazio linealezko sistema (erabili nahi duzun metodoa):

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mtable align=¨center¨»«mtr»«mtd»«mn»3«/mn»«mi»x«/mi»«mo»-«/mo»«mn»2«/mn»«mi»y«/mi»«mo»+«/mo»«mn»4«/mn»«mi»z«/mi»«mo»=«/mo»«mn»8«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»+«/mo»«mn»2«/mn»«mi»z«/mi»«mo»=«/mo»«mn»1«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»7«/mn»«mi»x«/mi»«mo»-«/mo»«mn»8«/mn»«mi»y«/mi»«mo»+«/mo»«mn»8«/mn»«mi»z«/mi»«mo»=«/mo»«mn»22«/mn»«/mtd»«/mtr»«/mtable»«/mtd»«/mtr»«/mtable»«/mfenced»«/mstyle»«/math»

]]> 1.0000000 0.3333333 0 0 x= #x1y= #y1z=#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mn>3</mn><mo>*</mo><mi>x</mi><mo>-</mo><mn>2</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>4</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>8</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mn>2</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>1</mn></mtd></mtr><mtr><mtd><mn>7</mn><mo>*</mo><mi>x</mi><mo>-</mo><mn>8</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>8</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>22</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x</mi><mo>=</mo><mo> </mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>y</mi><mo>=</mo><mo> </mo><mo>#</mo><mi>y</mi><mn>1</mn><mspace linebreak="newline"/><mi>z</mi><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_22 Jonek eta kepak 12000 euro bana inbertitu dute. Jonek A kopurua %4ko interesa (urteko) ematen duen tokian jarri du, B kopurua %5ekoa eta gainontzekoa %6koan. Kepak, aldiz, A kopurua %5eko interesean, B kopurua %6koan eta C kopurua %4koan inbertitu ditu. Aurkitu A, B eta C kopuruak, Jonek jasotzen dituen urteko interesak 630 euro eta Kepek jasotzen dituenak 570 euro direla jakinik.

]]> 1.0000000 0.3333333 0 0 A-kantitatea =#x1B-kantitatea =#y1 C-kantitatea =#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>12000</mn></mtd></mtr><mtr><mtd><mn>0</mn><mo>.</mo><mn>04</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>0</mn><mo>.</mo><mn>05</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>0</mn><mo>.</mo><mn>06</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>630</mn></mtd></mtr><mtr><mtd><mn>0</mn><mo>.</mo><mn>05</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>0</mn><mo>.</mo><mn>06</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>0</mn><mo>.</mo><mn>04</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>570</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3000.</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>3000.</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>6000.</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>A</mi><mo>-</mo><mi>k</mi><mi>a</mi><mi>n</mi><mi>t</mi><mi mathvariant="normal">i</mi><mi>t</mi><mi>a</mi><mi>t</mi><mi mathvariant="normal">e</mi><mi>a</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>B</mi><mo>-</mo><mi>k</mi><mi>a</mi><mi>n</mi><mi>t</mi><mi mathvariant="normal">i</mi><mi>t</mi><mi>a</mi><mi>t</mi><mi mathvariant="normal">e</mi><mi>a</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>y</mi><mn>1</mn><mo> </mo><mspace linebreak="newline"/><mi>C</mi><mo>-</mo><mi>k</mi><mi>a</mi><mi>n</mi><mi>t</mi><mi mathvariant="normal">i</mi><mi>t</mi><mi>a</mi><mi>t</mi><mi mathvariant="normal">e</mi><mi>a</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_23 Txokolate-mota jakin baten fabrikazioan esnea, kakaoa eta arbendolak erabiltzen dira, esne-kantitatea kakao eta arbendola-kantitateen baturaren bikoitza izanik. Osagai bakoitzaren prezioa kilogramoko ondokoa da: esnea, 0,8 euro; kakaoa, 4 euro; arbendolak, 13 euro. Egun bakar batean txokolate horren 9000 kilo egiten dira, kostu totala 25800 euro izanik. Osagai bakoitzeko zenbat kilogramo erabiltzen dira?.

]]> 1.0000000 0.3333333 0 0 Esne-kilo(litro)-kopurua=#x1Kakao-kilo-kopurua=#y1 Arbendola-kilo-kopurua=#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>9000</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>=</mo><mn>2</mn><mo>*</mo><mfenced><mrow><mi>y</mi><mo>+</mo><mi>z</mi></mrow></mfenced></mtd></mtr><mtr><mtd><mn>0</mn><mo>.</mo><mn>8</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>4</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>13</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>25800</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>6000.</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2000.</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1000.</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>E</mi><mi>s</mi><mi>n</mi><mi mathvariant="normal">e</mi><mo>-</mo><mi>k</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi>o</mi><mo>(</mo><mi>l</mi><mi mathvariant="normal">i</mi><mi>t</mi><mi>r</mi><mi>o</mi><mo>)</mo><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi>u</mi><mi>r</mi><mi>u</mi><mi>a</mi><mo>=</mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>K</mi><mi>a</mi><mi>k</mi><mi>a</mi><mi>o</mi><mo>-</mo><mi>k</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi>o</mi><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi>u</mi><mi>r</mi><mi>u</mi><mi>a</mi><mo>=</mo><mo>#</mo><mi>y</mi><mn>1</mn><mo> </mo><mspace linebreak="newline"/><mi>A</mi><mi>r</mi><mi>b</mi><mi mathvariant="normal">e</mi><mi>n</mi><mi mathvariant="normal">d</mi><mi>o</mi><mi>l</mi><mi>a</mi><mo>-</mo><mi>k</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi>o</mi><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi>u</mi><mi>r</mi><mi>u</mi><mi>a</mi><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_24 Enpresa batek 27200 € dauzka bertan lan egiten duten ehun langileen prestakuntza ikastaroetan erabiltzeko. Langileen beharrizanak aztertu eta hiru ikastaro antolatzea erabaki du: A, B eta C. A ikastaroan, pertsona bakoitzeko kostea 400 €-koa da, B ikastaroan 160 €-koa eta C ikastaroan 200 €-koa. A-n erabiliko den kantitatea B-n erabiliko dena halako bost bada, zenbat langile egongo dira ikastaro bakoitzean?.

]]> 1.0000000 0.3333333 0 0 A-ikastaroko-langile-kopurua=#x1B-ikastaroko-langile-kopurua=#y1 C-ikastaroko-langile-kopurua=#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>100</mn></mtd></mtr><mtr><mtd><mn>400</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>160</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>200</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>27200</mn></mtd></mtr><mtr><mtd><mn>400</mn><mo>*</mo><mi>x</mi><mo>=</mo><mn>5</mn><mo>*</mo><mn>160</mn><mo>*</mo><mi>y</mi></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>40</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>20</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>40</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>A</mi><mo>-</mo><mi mathvariant="normal">i</mi><mi>k</mi><mi>a</mi><mi>s</mi><mi>t</mi><mi>a</mi><mi>r</mi><mi>o</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>l</mi><mi>a</mi><mi>n</mi><mi>g</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi mathvariant="normal">e</mi><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi>u</mi><mi>r</mi><mi>u</mi><mi>a</mi><mo>=</mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>B</mi><mo>-</mo><mi mathvariant="normal">i</mi><mi>k</mi><mi>a</mi><mi>s</mi><mi>t</mi><mi>a</mi><mi>r</mi><mi>o</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>l</mi><mi>a</mi><mi>n</mi><mi>g</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi mathvariant="normal">e</mi><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi>u</mi><mi>r</mi><mi>u</mi><mi>a</mi><mo>=</mo><mo>#</mo><mi>y</mi><mn>1</mn><mo> </mo><mspace linebreak="newline"/><mi>C</mi><mo>-</mo><mi mathvariant="normal">i</mi><mi>k</mi><mi>a</mi><mi>s</mi><mi>t</mi><mi>a</mi><mi>r</mi><mi>o</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>l</mi><mi>a</mi><mi>n</mi><mi>g</mi><mi mathvariant="normal">i</mi><mi>l</mi><mi mathvariant="normal">e</mi><mo>-</mo><mi>k</mi><mi>o</mi><mi>p</mi><mi>u</mi><mi>r</mi><mi>u</mi><mi>a</mi><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_3 Kalkulatu k-ren balioa ondorengo sistema bateraezina izan dadin:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨{¨ close=¨¨»«mtable columnalign=¨left¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»=«/mo»«mn»5«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»y«/mi»«mo»+«/mo»«mn»3«/mn»«mi»z«/mi»«mo»=«/mo»«mn»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»k«/mi»«mi»x«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»1«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

m {#1} {#2}

]]> 2.0000000 0.3333333 0 <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mo>(</mo><mfenced close="|" open="|"><mtable><mtr><mtd><mn>1</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>0</mn></mtd></mtr><mtr><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd><mtd><mn>3</mn></mtd></mtr><mtr><mtd><mi>x</mi></mtd><mtd><mn>0</mn></mtd><mtd><mn>1</mn></mtd></mtr></mtable></mfenced><mo>=</mo><mn>0</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>-</mo><mfrac><mn>1</mn><mn>3</mn></mfrac></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_4_11 Adierazi ondorengo ekuazio sistemetatik zeintzuk ebatz daitezkeen Cramer_en metodoarekin.

a) «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mn»2«/mn»«mi»y«/mi»«mo»-«/mo»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»-«/mo»«mn»3«/mn»«mi»y«/mi»«mo»+«/mo»«mn»3«/mn»«mi»z«/mi»«mo»=«/mo»«mo»-«/mo»«mn»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo»-«/mo»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»-«/mo»«mn»2«/mn»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«/mstyle»«/math» b) «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»+«/mo»«mn mathsize=¨14px¨»3«/mn»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»-«/mo»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn mathsize=¨14px¨»2«/mn»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»+«/mo»«mn mathsize=¨14px¨»7«/mn»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»-«/mo»«mn mathsize=¨14px¨»2«/mn»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»8«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo mathsize=¨14px¨»-«/mo»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»-«/mo»«mn mathsize=¨14px¨»2«/mn»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»+«/mo»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»2«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«/math»

c) «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mn mathsize=¨14px¨»2«/mn»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»+«/mo»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»-«/mo»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»1«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo mathsize=¨14px¨»-«/mo»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»+«/mo»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»+«/mo»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»+«/mo»«mn mathsize=¨14px¨»2«/mn»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»+«/mo»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»3«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«/math» d) «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»-«/mo»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»+«/mo»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo mathsize=¨14px¨»-«/mo»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»+«/mo»«mn mathsize=¨14px¨»2«/mn»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»-«/mo»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn mathsize=¨14px¨»2«/mn»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»-«/mo»«mn mathsize=¨14px¨»3«/mn»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»+«/mo»«mn mathsize=¨14px¨»2«/mn»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mo mathsize=¨14px¨»-«/mo»«mn mathsize=¨14px¨»2«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/math»

]]> 1.0000000 0.3333333 0 false true none Respuesta correcta

]]> Respuesta parcialmente correcta.

]]> Respuesta incorrecta.

]]> a)

]]> c)

]]> b)

]]> d)

]]> <question/> Ariketa_4_2_1 Ebatzi ekuazio linealezko sistema (erabili Cramer_en metodoa):

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mn mathsize=¨14px¨»2«/mn»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»+«/mo»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»-«/mo»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»1«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo mathsize=¨14px¨»-«/mo»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»+«/mo»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»+«/mo»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi mathsize=¨14px¨»x«/mi»«mo mathsize=¨14px¨»+«/mo»«mn mathsize=¨14px¨»2«/mn»«mi mathsize=¨14px¨»y«/mi»«mo mathsize=¨14px¨»+«/mo»«mi mathsize=¨14px¨»z«/mi»«mo mathsize=¨14px¨»=«/mo»«mn mathsize=¨14px¨»3«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«/math»

]]> 1.0000000 0.3333333 0 0 x= #x1y= #y1z=#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mn>2</mn><mo>*</mo><mi>x</mi><mo>+</mo><mi>y</mi><mo>-</mo><mi>z</mi><mo>=</mo><mn>1</mn></mtd></mtr><mtr><mtd><mo>-</mo><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>2</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>+</mo><mn>2</mn><mo>*</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>3</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x</mi><mo>=</mo><mo> </mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>y</mi><mo>=</mo><mo> </mo><mo>#</mo><mi>y</mi><mn>1</mn><mspace linebreak="newline"/><mi>z</mi><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_4_2_2 Ebatzi ekuazio linealezko sistema (erabili Cramer_en metodoa):

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mn»2«/mn»«mi»y«/mi»«mo»-«/mo»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»-«/mo»«mn»3«/mn»«mi»y«/mi»«mo»+«/mo»«mn»3«/mn»«mi»z«/mi»«mo»=«/mo»«mo»-«/mo»«mn»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo»-«/mo»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»-«/mo»«mn»2«/mn»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«/mstyle»«/math»

]]> 1.0000000 0.3333333 0 0 x= #x1y= #y1z=#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mn>2</mn><mo>*</mo><mi>y</mi><mo>-</mo><mi>z</mi><mo>=</mo><mn>0</mn></mtd></mtr><mtr><mtd><mn>2</mn><mo>*</mo><mi>x</mi><mo>-</mo><mn>3</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>3</mn><mo>*</mo><mi>z</mi><mo>=</mo><mo>-</mo><mn>2</mn></mtd></mtr><mtr><mtd><mo>-</mo><mi>x</mi><mo>+</mo><mi>y</mi><mo>-</mo><mn>2</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>0</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x</mi><mo>=</mo><mo> </mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>y</mi><mo>=</mo><mo> </mo><mo>#</mo><mi>y</mi><mn>1</mn><mspace linebreak="newline"/><mi>z</mi><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question> Ariketa_5 Ondorengo sistema emanik:

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨{¨ close=¨¨»«mtable columnalign=¨left¨»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«mn»2«/mn»«mi»y«/mi»«mo»-«/mo»«mn»2«/mn»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»y«/mi»«mo»-«/mo»«mi»z«/mi»«mo»=«/mo»«mn»1«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»x«/mi»«mo»-«/mo»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»2«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

Adierazi era matrizialean.
Ebatzi gabe, adierazi zer motako sistema den.

(

{#1}

{#2}

{#3}

)

(

{#4}

)

(

{#5}

)

{#6}

{#7}

{#8}

{#9}

{#10}

{#11}

{#12}

{#13}

{#14}

{#15}

Sistema: {{#16}

]]> 16.0000000 0.3333333 0 <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mn>2</mn><mo>*</mo><mi>y</mi><mo>-</mo><mn>2</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>0</mn></mtd></mtr><mtr><mtd><mi>y</mi><mo>-</mo><mi>z</mi><mo>=</mo><mn>1</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>-</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>2</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a11</mi><mo>=</mo><mn>1</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a12</mi><mo>=</mo><mn>2</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a13</mi><mo>=</mo><mo>-</mo><mn>2</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a21</mi><mo>=</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a22</mi><mo>=</mo><mn>1</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a23</mi><mo>=</mo><mo>-</mo><mn>1</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a31</mi><mo>=</mo><mn>1</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a32</mi><mo>=</mo><mo>-</mo><mn>1</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a33</mi><mo>=</mo><mn>1</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b11</mi><mo>=</mo><mi>x</mi></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b21</mi><mo>=</mo><mi>y</mi></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b31</mi><mo>=</mo><mi>z</mi></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c11</mi><mo>=</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c21</mi><mo>=</mo><mn>1</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c31</mi><mo>=</mo><mn>2</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_6 Aztertu m parametroaren arabera

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mi»m«/mi»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»=«/mo»«msup»«mi»m«/mi»«mn»2«/mn»«/msup»«/mtd»«/mtr»«mtr»«mtd»«mi»x«/mi»«mo»+«/mo»«msup»«mi»m«/mi»«mn»2«/mn»«/msup»«mi»y«/mi»«mo»=«/mo»«mn»1«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

m = {#1} bada, orduan , H(A)= {#2} {#3} H(A*)= {#4} {#5} ezezagun kopurua

SISTEMA {#6}

m «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mo»§#8800;«/mo»«/mstyle»«/math» {#7} bada, orduan , H(A)= {#8} {#9} H(A*)= {#10} {#11} ezezagun kopurua

SISTEMA {#12}

]]> 12.0000000 0.3333333 0 <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r</mi><mo>=</mo><mi>resolver</mi><mfenced><mrow><mfenced close="|" open="|"><mtable><mtr><mtd><mi>x</mi></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><msup><mi>x</mi><mn>2</mn></msup></mtd></mtr></mtable></mfenced><mo>=</mo><mn>0</mn><mo>,</mo><reals/></mrow></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mi>a</mi></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><msup><mi>a</mi><mn>2</mn></msup></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d1</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mi>a</mi></mtd><mtd><mn>1</mn></mtd><mtd><msup><mi>a</mi><mn>2</mn></msup></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><msup><mi>a</mi><mn>2</mn></msup></mtd><mtd><mn>1</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi><mo>=</mo><mn>2</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d2</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mi>a</mi></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><msup><mi>a</mi><mn>2</mn></msup></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d22</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mi>a</mi></mtd><mtd><mn>1</mn></mtd><mtd><msup><mi>a</mi><mn>2</mn></msup></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><msup><mi>a</mi><mn>2</mn></msup></mtd><mtd><mn>1</mn></mtd></mtr></mtable></mfenced></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d2</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d22</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_7 Aztertu eta ebatzi m parametroaren arabera

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mfenced open=¨¨ close=¨}¨»«mtable columnalign=¨right¨»«mtr»«mtd»«mn»2«/mn»«mi»x«/mi»«mo»-«/mo»«mn»3«/mn»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»x«/mi»«mo»-«/mo»«mi»m«/mi»«mi»y«/mi»«mo»-«/mo»«mn»3«/mn»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«mtr»«mtd»«mn»5«/mn»«mi»x«/mi»«mo»+«/mo»«mn»2«/mn»«mi»y«/mi»«mo»-«/mo»«mi»z«/mi»«mo»=«/mo»«mn»0«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«mspace linebreak=¨newline¨/»«/mstyle»«/math»

m = {#1} bada, orduan , H(A)= {#2} {#3} H(A*)= {#4} {#5} ezezagun kopurua

SISTEMA {#6} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»y«/mi»«mo»=«/mo»«/mstyle»«/math» {#7} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»z«/mi»«mo»=«/mo»«/mstyle»«/math»{#8}

m «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mo»§#8800;«/mo»«/mstyle»«/math» {#9} bada, orduan , H(A)= {#10} {#11} H(A*)= {#12} {#13} ezezagun kopurua

SISTEMA {#14} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»y«/mi»«mo»=«/mo»«/mstyle»«/math» {#15} «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mi»z«/mi»«mo»=«/mo»«/mstyle»«/math»{#16}

]]> 16.0000000 0.3333333 0

Emaitza: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»x«/mi»«mo»=«/mo»«/mrow»«/mstyle»«/math»{:SA:=#a1}]]>

Emaitza: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»x«/mi»«mo»=«/mo»«/mrow»«/mstyle»«/math»{:SA:=#a2}]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r</mi><mo>=</mo><mi>resolver</mi><mfenced><mrow><mfenced close="|" open="|"><mtable><mtr><mtd><mn>2</mn></mtd><mtd><mo>-</mo><mn>3</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><mo>-</mo><mi>x</mi></mtd><mtd><mo>-</mo><mn>3</mn></mtd></mtr><mtr><mtd><mn>5</mn></mtd><mtd><mn>2</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd></mtr></mtable></mfenced><mo>=</mo><mn>0</mn><mo>,</mo><reals/></mrow></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><msub><mi>r</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a</mi><mo>=</mo><mn>2</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d</mi><mo>=</mo><mi>rango</mi><mfenced><mtable><mtr><mtd><mn>2</mn></mtd><mtd><mo>-</mo><mn>3</mn></mtd><mtd><mn>1</mn></mtd></mtr><mtr><mtd><mn>1</mn></mtd><mtd><mo>-</mo><mi>a</mi></mtd><mtd><mo>-</mo><mn>3</mn></mtd></mtr><mtr><mtd><mn>5</mn></mtd><mtd><mn>2</mn></mtd><mtd><mo>-</mo><mn>1</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math 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align="center"><mtr><mtd><mn>2</mn><mo>*</mo><mi>x</mi><mo>-</mo><mn>3</mn><mo>*</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>0</mn></mtd></mtr><mtr><mtd><mi>x</mi><mo>-</mo><mi>a</mi><mo>*</mo><mi>y</mi><mo>-</mo><mn>3</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>0</mn></mtd></mtr><mtr><mtd><mn>5</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>2</mn><mo>*</mo><mi>y</mi><mo>-</mo><mi>z</mi><mo>=</mo><mn>0</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a2</mi><mo>=</mo><msub><mi>e</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b2</mi><mo>=</mo><msub><mi>e</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c2</mi><mo>=</mo><msub><mi>e</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command><command><input><math 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xmlns="http://www.w3.org/1998/Math/MathML"><mi>d2</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d22</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a2</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b2</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c2</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mn>1</mn><mn>19</mn></mfrac><mo>*</mo><mi>z</mi></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mn>7</mn><mn>19</mn></mfrac><mo>*</mo><mi>z</mi></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z</mi></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="casSession"/></localData></question> Ariketa_8 Kooperatiba farmazeutiko batek hiru ontzi desberdinetan banatzen du produktu bat: A, B eta C ontzietan. A motako kutxek 250 gramoko pisua dute eta 6 €_ko prezioa; B motakoek 500 gramo pisatzen dute eta 10,8 € balio dute; eta C motakoek kilogramo bateko pisua eta 19,8 €_ko prezioa dute. Botika bati bost kutxako lote bat eman zaio, 53,4 € balio izan duten 2,5 kilogramokoa, hain zuzen ere. Mota bakoitzeko zenbat ontzi erosi dute botikak?.

]]> 1.0000000 0.3333333 0 0 A-motako-ontziak=#x1B-motako-ontziak =#y1 C-motako-ontziak =#z1]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>sol</mi><mo>=</mo><mi>resolver</mi><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>x</mi><mo>+</mo><mi>y</mi><mo>+</mo><mi>z</mi><mo>=</mo><mn>5</mn></mtd></mtr><mtr><mtd><mn>250</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>500</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>1000</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>2500</mn></mtd></mtr><mtr><mtd><mn>6</mn><mo>*</mo><mi>x</mi><mo>+</mo><mn>10</mn><mo>.</mo><mn>8</mn><mo>*</mo><mi>y</mi><mo>+</mo><mn>19</mn><mo>.</mo><mn>8</mn><mo>*</mo><mi>z</mi><mo>=</mo><mn>53</mn><mo>.</mo><mn>4</mn></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>x</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>y</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi><mo>=</mo><msub><mi>sol</mi><mn>1</mn></msub><mo>(</mo><mi>z</mi><mo>)</mo></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>x1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2.</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>y1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2.</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>z1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1.</mn></math></output></command></group><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command></group></session>]]></wirisCasSession><correctAnswers><correctAnswer type="mathml"><![CDATA[<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>A</mi><mo>-</mo><mi>m</mi><mi>o</mi><mi>t</mi><mi>a</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>o</mi><mi>n</mi><mi>t</mi><mi>z</mi><mi mathvariant="normal">i</mi><mi>a</mi><mi>k</mi><mo>=</mo><mo>#</mo><mi>x</mi><mn>1</mn><mspace linebreak="newline"/><mi>B</mi><mo>-</mo><mi>m</mi><mi>o</mi><mi>t</mi><mi>a</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>o</mi><mi>n</mi><mi>t</mi><mi>z</mi><mi mathvariant="normal">i</mi><mi>a</mi><mi>k</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>y</mi><mn>1</mn><mo> </mo><mspace linebreak="newline"/><mi>C</mi><mo>-</mo><mi>m</mi><mi>o</mi><mi>t</mi><mi>a</mi><mi>k</mi><mi>o</mi><mo>-</mo><mi>o</mi><mi>n</mi><mi>t</mi><mi>z</mi><mi mathvariant="normal">i</mi><mi>a</mi><mi>k</mi><mo> </mo><mo>=</mo><mo>#</mo><mi>z</mi><mn>1</mn></math>]]></correctAnswer></correctAnswers><assertions><assertion name="check_simplified"/><assertion name="syntax_expression"/><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-2)</option><option name="relative_tolerance">false</option><option name="precision">4</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option></options><localData><data name="inputCompound">true</data><data name="inputField">popupEditor</data><data name="gradeCompound">and</data><data name="gradeCompoundDistribution"></data><data name="casSession"/></localData></question>