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Sagot :

Réponse:

A=9n

B=3x

C=(3 + 6)(7 + 1)

D=16 * 3.5

E=3 * x + 2

F=a * b - 4

G=3 * a - 5 * b

H=b - a + 7 * (3 * x + 7)

I=3a - 4b

J=16ab

K=3b + 7

L=1.5ab

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