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Multiplicación de números reales

Authored by Teresa Otero

Mathematics

8th Grade

Used 4+ times

Multiplicación de números reales
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 3×22×2\sqrt{3}\times2\sqrt{2}\times2 

calcular:

 464\sqrt{6}  

 24\sqrt{24}  

 24224\sqrt{2}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 0.25×0.20.25\times0.2  calcular:

 0.500.50  

 0.0500.050  

 0.00500.0050  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (25)(25π)(π5)\left(\frac{2}{5}\right)\left(\frac{25}{\pi}\right)\left(-\frac{\pi}{5}\right)  

Calcular:

 10π-10\pi  

 2-2  

 5π-5\pi  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 8\sqrt{8}  

El valor de la raíz:

 22  

 424\sqrt{2}  

 222\sqrt{2}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 21252\sqrt{125} 
El valor de la expresión:

 10510\sqrt{5}  

 25525\sqrt{5}  

 252\sqrt{5}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 23÷49\frac{2}{3}\div\frac{4}{9}  Resolver:

 23\frac{2}{3}  

 827\frac{8}{27}  

 32\frac{3}{2}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 2÷35\sqrt{2}\div\frac{3}{5}  

Calcular

 325\frac{3\sqrt{2}}{5}  

 523\frac{5\sqrt{2}}{3}  

 532\frac{5}{3\sqrt{2}}  

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