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Sagot :

Réponse :

Explications étape par étape

-1-2×(-4)=-1+8= 7

-2-14÷5-7=-16÷-2= 8

-2×(-3)×(-1)= -6

-4×7+5×7=-28+35= 7

-2-(-18÷-3)+9=-2-6+9= 1

(-2-2,5)×2=-4,5×2= -9

(1-(-2))×(-3)=3×(-3)= -9

-2+6-7-(-1)= -2

-4×(-3-(-3))=-4×0= 0

-12÷1-(-3)= -3

1-2÷1-3×(-6)= -3

-6-(-4)= -2

(-3-1)×(-2)= 8

-1-(-4)+(-3)=3-3= 0

-2+20÷-5=-2-4= -6

-2-1×(-3)=-2+3= 1

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