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bonjour

A = 24 - 8 + 3 + 1 = 28 - 8 = 20

E = 18 - [4 x ( 5 - 3 ) + 2 ] = 18 - ( 4 *2 ) + 2 = 18 - 8 + 2 = 12

C = 24 - 8 + 3 - 1 = 27 - 9 = 18

d = 24 : ( 8 - 4 ) = 24 : 4 = 6

F = ( 2 + 0.1 * 8 ) : 4 = (2 x 0.8 ) : 4 = 1.6 ; 4 = 0.4

VIOLETTEROHRBACH

Réponse:

A=24-(8-3)+1

A=24-5-1

A= 19-1

A=18

B=24-8-(3+1)

B=24-8-4

B=20-8

B=12

C=24-(8-3+1)

C=24-5+1

C=19+1

C=20

D=24÷[8-(3+1)]

D=24÷[8-4]

D=24÷4

D=6

E=18-[4×(5-3+2)]

E=18-[4×2+2]

E=18-[8+2]

E=18-10

E=10

F=[2+0,1×(5+3)] ÷4

F=[2+0,1×8]÷4

F=[2+0,8]÷4

F=2,8÷4

F=0,7

voilà pour toi

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