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Suma y resta de números racionales

Authored by Michael Acosta Parra

Mathematics

8th Grade

Used 81+ times

Suma y resta de números racionales
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El resultado de la operación

 2314\frac{2}{3}-\frac{1}{4}   corresponde a

 512\frac{5}{12}  

 1112\frac{11}{12}  

 912\frac{-9}{12}  

 37\frac{-3}{7}  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El resultado de

 1535125\frac{-1}{5}-\frac{3}{5}--\frac{12}{5}  corresponde a

 165\frac{-16}{5}  

 45\frac{-4}{5}  

 85\frac{8}{5}  

 22  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El resultado de

 1,25214 1,25-2\frac{1}{4}\   corresponde a

0

 72\frac{-7}{2}  

 54\frac{-5}{4}  

-1

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El resultado de

 3 15+710-3\ \frac{1}{5}+\frac{7}{10}  corresponde a

 3910\frac{-39}{10}  

 2510\frac{-25}{10}  

 3210\frac{-32}{10}  

 165\frac{16}{5}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

El resultado de

 1,7121023101,7-\frac{-12}{10}-2\frac{3}{10}  

 35\frac{3}{5}  

 265\frac{26}{5}  

 1710\frac{-17}{10}  

 2310\frac{-23}{10}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

El resultado de

 0,5114-0,5--1\frac{1}{4}  

 34\frac{3}{4}  

 74\frac{-7}{4}  

 54\frac{-5}{4}  

 12\frac{1}{2}  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El resultado de

 11261213\frac{-11}{26}-\frac{12}{13}  corresponde a

 2413\frac{-24}{13}  

 2526\frac{-25}{26}  

 3526\frac{-35}{26}  

 1713\frac{-17}{13}  

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