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Sagot :

Réponse:

a. -24÷(-6)=4

-1+4=3

b.-45÷-9=5

5-1=4

c. -3×(-9)=27

-3×(-5)=15

27-15=12

d. 4×(-2)=-8

4×(-5)=-20

-8-20-9= -37

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