JASSIMISRAELBARKATE
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Bonjour,

Pouvez vous m'aidez svp

Merci ​

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REINHARDT

Réponse :

Bonjour,

Exercice 36:

A = 3 - 4 x 5

A = 3 - 20

A = -17

B = (3-4) x 5

B = -1 x 5

B = -5

C = (-2) x 5 -8

C = -10 -8

C = -18

D = (-2) x (5-8)

D = (-2) x (-3)

D = 6

Exercice 37:

A = -7 + 5 x (-6)

A = -7 + (-30)

A = -37

B = (-7+5) x (-6)

B = (-2) x (-6)

B = 12

C = 4 x 8 - (-9)

C = 12 - (-9)

C = 21

D = 4 x [8 - (-9)]

D = 4 x 17

D = 68