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bonjour

Calculer les expressions suivantes en montrant toutes les étapes de vos calculs


A = 8 + 2 x 6 D = (3 + 5) (17 -10) G = 5 –[4-(2 +1)] J = (14 + 2 x 3) 2 + 1

B = 12 / 3 x 4 E = 83 – 3 x 10 – 23 H = 36 – 7 + 1 K = 12-(3+1)

C = 30 – 5 + 15 F = 24 / 4 – 2 + 7 x 3 I = 9 – 18 / 3


Répondre :

A = 8 + 12 = 20

D = 8 x 7 = 56

G = 5 - ( 4 - 3) = 5 - 1 = 4

J = quel est le signe après la ()

B = 4 x 4 = 16

E = 83 - 30 - 23 = 30

H = 37 - 7 = 30 

K = 12 - 4 = 8

C = 45 - 5 = 40

F = 6 - 2 + 21 = 25

I = 9 - 6 = 3