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Sagot :

Réponse :

EXERCICE 1

A= -5 x 7 - (-4) x (-5)

A= -35 - 20

A= -55

B= -6 +6 x (-6) + 6

B= -6 -36 + 6

B= -36

C= -5 -4 x (2 -6 x (-1))

C= -5 -4 x (2 + 6)

C= -5 -4 x 8

C= -5 - 32

C= -37

D= (-5 x 2 + 1) x (12 - (-4) x (-3))

D= (-10 + 1) x (12 - (+12))

D= (-9) x 0

D= 0

De rien ;)

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