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Sagot :

VINS

bonjour

A  =   ( 14 -  5 ) x 2 =  9 x 2 = 18

B  = 12 : ( 6 x 2 )  = 12 ; 12 = 1

C  =  ( 8 - 5 ) x 3 = 3 x  3 = 9

d = 0.5 x ( 38 - 10 ) = 0.5 x 28 =  14

Bonjour

Calculer chaque expression en détaillant les étapes :

A = [14 - (2 + 3)] x 2

A = (14 - 5) x 2

A = 9 x 2

A = 18

B = 12 : [(4 + 2) x 2]

B = 12 : (6 x 2)

B = 12 : 12

B = 1

C = [8 - (7-2)] x 3

C = (8 - 5) x 3

C = 3 x 3

C = 9

D= 0,5 x [38 - (7 + 3)]

D = 0,5 x (38 - 10)

D = 0,5 x 28

D = 14.

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