ESO 3
ESO 3, Unitat 05, Activitat 057
En una botiga han rebaixat tots els preus un mateix percentatge. Completa aquesta taula sense calcular quin és aquest percentatge:
Preu inicial (€) |
#a11 |
#a12 |
#a13 |
#a14 |
#a15 |
Preu rebaixat (€) |
{#1} |
{#2} |
#a23 |
{#3} |
{#4} |
]]>
4.0000000
0.3333333
0
<question><wirisCasSession><![CDATA[<session lang="en" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="ca">variables</mtext><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d1</mi><mo>=</mo><mfenced close="]" open="["><mrow><mn>200</mn><mo>,</mo><mn>300</mn><mo>,</mo><mn>600</mn><mo>,</mo><mn>900</mn><mo>,</mo><mn>1200</mn></mrow></mfenced><mo>*</mo><mn>1</mn><mo>.</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>r</mi><mo>=</mo><mi>random</mi><mfenced><mrow><mn>3</mn><mo>,</mo><mn>30</mn></mrow></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>d2</mi><mo>=</mo><mi>d1</mi><mo>*</mo><mfenced><mrow><mn>1</mn><mo>-</mo><mi>r</mi><mo>/</mo><mn>100</mn><mo>.</mo></mrow></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"><mfenced close="]" open="["><mrow><mi>a11</mi><mo>,</mo><mi>a12</mi><mo>,</mo><mi>a13</mi><mo>,</mo><mi>a14</mi><mo>,</mo><mi>a15</mi></mrow></mfenced><mo>=</mo><mi>d1</mi></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced close="]" open="["><mrow><mi>a21</mi><mo>,</mo><mi>a22</mi><mo>,</mo><mi>a23</mi><mo>,</mo><mi>a24</mi><mo>,</mo><mi>a25</mi></mrow></mfenced><mo>=</mo><mi>d2</mi></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"/></input></command></group></library><group><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced close="]" open="["><mrow><mi>a11</mi><mo>,</mo><mi>a12</mi><mo>,</mo><mi>a13</mi><mo>,</mo><mi>a14</mi><mo>,</mo><mi>a15</mi></mrow></mfenced></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced close="]" open="["><mrow><mn>200.</mn><mo>,</mo><mn>300.</mn><mo>,</mo><mn>600.</mn><mo>,</mo><mn>900.</mn><mo>,</mo><mn>1200.</mn></mrow></mfenced></math></output></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced close="]" open="["><mrow><mi>a21</mi><mo>,</mo><mi>a22</mi><mo>,</mo><mi>a23</mi><mo>,</mo><mi>a24</mi><mo>,</mo><mi>a25</mi></mrow></mfenced></math></input><output><math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced close="]" open="["><mrow><mn>172.</mn><mo>,</mo><mn>258.</mn><mo>,</mo><mn>516.</mn><mo>,</mo><mn>774.</mn><mo>,</mo><mn>1032.</mn></mrow></mfenced></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_quantity"><param name="units"><![CDATA[m, s, g, °, ', ", $, ¥, €, £, kr, Fr, ₩, ₹, руб, BTC, %, ‰, A, K, mol, cd, rad, sr, h, min, l, N, Pa, Hz, W, J, C, V, Ω, F, S, Wb, b, H, T, lx, lm, Gy, Bq, Sv, kat]]></param><param name="decimalseparators">\,</param><param name="unitprefixes">M, k, c, m</param><param name="groupoperators">(,[,{</param><param name="digitgroupseparators">.</param></assertion><assertion name="equivalent_symbolic"/></assertions><options><option name="tolerance">10^(-3)</option><option name="relative_tolerance">true</option><option name="precision">4</option><option name="times_operator">·</option><option name="implicit_times_operator">true</option><option name="imaginary_unit">i</option><option name="float_format">,mr</option><option name="digit_group_separator">.</option><option name="decimal_separator">,</option></options><localData><data name="casSession"/></localData></question>