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Sagot :

Réponse:

A=26

B=-135

C=-41

D=-16

ANNIE7
A= (+5)+(-7)x(-3)
= (+5)+(21)
=26

B=(+5)x((-7)+(-2))x(+3)
=(+5)x(-9)x(+3)
=(-45)x(+3)
= -135

C=(+5)x(-7)+(+3)x(-2)
=(-35)+(+3)x(-2)
=(-35)+(-6)
= -41

D=(-7)-(+3)x((+5)+(-2))
=(-7)-(+3)x(+3)
=(-7)-(+9)
= -16


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