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Operaciones con números racionales

Authored by Ana Damiani

Mathematics

10th Grade

Used 3+ times

Operaciones con números racionales
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 47 +1787\frac{4}{7}\ +\frac{1}{7}-\frac{8}{7}  

 57\frac{5}{7}  

 37\frac{3}{7}  

 37-\frac{3}{7}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 57+3412\frac{5}{7}+\frac{3}{4}-\frac{1}{2}  

 2728\frac{27}{28}  

 2714\frac{27}{14}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 4154\frac{1}{5}   23-\frac{2}{3}   +45+\frac{4}{5}  


 133\frac{13}{3}  

 133\frac{13}{3}  

 1215\frac{12}{15}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 14+45 5  3812\frac{1}{4}+\frac{4}{5}\cdot\ 5\ -\ \frac{3}{8}\cdot\frac{1}{2}  

 1316\frac{13}{16}  

 1613\frac{16}{13}  

 1316-\frac{13}{16}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

El tanque de nafta de un auto es de 56 litros. Gasta 3/5 de nafta para recorrer la primer etapa de un camino, la segunda gasta la mitad del primero y en la tercera etapa el doble que en la segunda. Cuánto consumió en total?

100 litros

64 litros

84 litros

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 24÷53\frac{2}{4}\div\frac{5}{3}  +  120\frac{1}{20}  

 620\frac{6}{20}  

 1012\frac{10}{12}  

 720\frac{7}{20}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 12+(324) 23\frac{1}{2}+\left(\frac{3}{2}-4\right)\ \cdot\frac{2}{3}  

 76\frac{7}{6}  

 76-\frac{7}{6}  

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