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Bonjour svp

Effectue en soulignant les opérations prioritaires.

A = 3,5+(-4x8+ 25)
A =
A =
A =

B = (8-10) x (-3) + 3
B=
B=
B=

C = [(-4) × (-2-1) + (-8) ÷ (-4)] × (-2) + 2
C=
C =
C =
C =
C =