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Sagot :

Réponse :

Ex4

A=3ab

B=3a+3b

C=16a

D=5+3b

E=5a+5

F=6abc

G=21ab

H=10+ab

I=(2a+b)*6=12a+6b

J=1,5ab

Ex5

A=a²

B=b^3

C=3c²

D=9+d^3

E=3a²b

F=0

G=2a²b²=2(ab)²

H=a^3

I=a+a²

J=(a+b)²

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