4t ESO/4.01 NOMBRES/4.01.2 Aproximació i error
4.01.2.32 Arrodonir mil·lèsims
Arrodoneix les quantitats següents als mil·lèsims:
Posa punt en lloc de coma
| Quantitat |
Arrodoniment |
| #a_1 |
{#1} |
| #a_2 |
{#2} |
| #a_3 |
{#3} |
| #a_4 |
{#4} |
]]>
4.0000000
0.5000000
0
<question><wirisCasSession><![CDATA[<session lang="ca" 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>a_1</mi><mo>=</mo><mi>aleatori</mi><mo>(</mo><mn>5</mn><mo>.</mo><mn>1</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b_1</mi><mo>=</mo><mi>arrodoneix</mi><mo>(</mo><mn>1000</mn><mo>*</mo><mi>a_1</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c_1</mi><mo>=</mo><mo>(</mo><mi>b_1</mi><mo>/</mo><mn>1000</mn><mo>)</mo><mo>*</mo><mn>1</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a_2</mi><mo>=</mo><mi>aleatori</mi><mo>(</mo><mn>5</mn><mo>.</mo><mn>1</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b_2</mi><mo>=</mo><mi>arrodoneix</mi><mo>(</mo><mn>1000</mn><mo>*</mo><mi>a_2</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c_2</mi><mo>=</mo><mo>(</mo><mi>b_2</mi><mo>/</mo><mn>1000</mn><mo>)</mo><mo>*</mo><mn>1</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a_3</mi><mo>=</mo><mi>aleatori</mi><mo>(</mo><mn>5</mn><mo>.</mo><mn>1</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b_3</mi><mo>=</mo><mi>arrodoneix</mi><mo>(</mo><mn>1000</mn><mo>*</mo><mi>a_3</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c_3</mi><mo>=</mo><mo>(</mo><mi>b_3</mi><mo>/</mo><mn>1000</mn><mo>)</mo><mo>*</mo><mn>1</mn><mo>.</mo><mn>0</mn></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>a_4</mi><mo>=</mo><mi>aleatori</mi><mo>(</mo><mn>5</mn><mo>.</mo><mn>1</mn><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>b_4</mi><mo>=</mo><mi>arrodoneix</mi><mo>(</mo><mn>1000</mn><mo>*</mo><mi>a_4</mi><mo>)</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c_4</mi><mo>=</mo><mo>(</mo><mi>b_4</mi><mo>/</mo><mn>1000</mn><mo>)</mo><mo>*</mo><mn>1</mn><mo>.</mo><mn>0</mn></math></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mo>(</mo><mi>a_1</mi><mo>,</mo><mi>b_1</mi><mo>,</mo><mi>a_2</mi><mo>,</mo><mi>b_2</mi><mo>,</mo><mi>a_3</mi><mo>,</mo><mi>b_3</mi><mo>,</mo><mi>a_4</mi><mo>,</mo><mi>b_4</mi><mo>)</mo></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0.07645</mn><mo>,</mo><mn>76</mn><mo>,</mo><mn>1.4461</mn><mo>,</mo><mn>1446</mn><mo>,</mo><mn>4.8161</mn><mo>,</mo><mn>4816</mn><mo>,</mo><mn>0.65647</mn><mo>,</mo><mn>656</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c_1</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0.076</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c_2</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1.446</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c_3</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>4.816</mn></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>c_4</mi></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mn>0.656</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="precision">10</option><option name="implicit_times_operator">false</option><option name="times_operator">·</option><option name="imaginary_unit">i</option><option name="tolerance">10^(-4)</option><option name="relative_tolerance">false</option></options><localData><data name="casSession"/></localData></question>
Si és als mil·lèsims, cal fixar-se si el 4t decimal és 0,1,2,3,4 (trunquem) o si és 5,6,7,8,9 (sumem 1 a la xifra dels mil·lèsims).]]>