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Operações com números racionais

Authored by Débora Lorençon

Mathematics

7th Grade

Used 160+ times

Operações com números racionais
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14 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

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O resultado deste quociente é três meios?

Sim

Não

2.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

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-5/12

-11/12

5/12

11/12

3.

MULTIPLE SELECT QUESTION

15 mins • 5 pts

 94×(23)-\frac{9}{4}\times\left(-\frac{2}{3}\right)  

Indica o valor da expressão anterior.

 32-\frac{3}{2}  

 32\frac{3}{2}  

 23-\frac{2}{3}  

 23\frac{2}{3}  

4.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

5.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

A classe do 7º ano possui 8 meninas e 10 meninos. A razão entre o número de meninas e o de meninos é:

10/8

8/10

8/181

0/18

6.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

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O VALOR DE A NA RETA NUMÉRICA É:

1/5

1/2

3/2

3/5

7.

MULTIPLE CHOICE QUESTION

15 mins • 5 pts

(- 40) + (+15)

- 55

-25

+25

+55

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