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Sagot :

GABYAVECUNY

Réponse:

Exercice 1

1)7×8=56

1)8+17=25

2)3×2+5×1=6+5=11

3) a/2×3=6

b/3×3=9

c/5×3-1=15-1=14

d/5×(3-1)=5×2=10

4) a/5×a

b/x×x

c/3×x+4×y

d/3+x×x×x

e/3×(2×x×y-6)

f/4×(x×x×x)

Exercice 2

4+5×x

2×x+4×x×x

4×(2×x-9)

5×(x×x×x)+4×x+6

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