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Sagot :

a. 7+(3x3)
= 7+9
= 16

c. 104

b. -5+(-4x(-4))
= -5+16
= 11

d. 2-4x(5x5)
= 2-4x25
= 2-100
= -98

Réponse:

a = 7+9=16

c=104

b=-5+16=11

d=2-4×25= 2-100= 98

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