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Exercice 6
Écris le plus simplement possible.
A = 3 xa xb
B = 3 x a + 3 x b
D = 5 + 3 x b
E = 5 x a + 3 + 2
G= 7 xa x b x 3 H = 7 + a x b + 3
J = (2,5 - 1) xa x b
C = 8 x a x2
F = 2 x 3 xa x (b x c)
1 = 3 X (2 x a + b) x 5

Sagot :

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Réponse :

Explications étape par étape

A = 3 xa xb

=3abx²

B = 3 x a + 3 x b

=3x(a+b)

D = 5 + 3 x b

=5+3bx

E = 5 x a + 3 + 2

=5ax+5

=5(ax+1)

G= 7 xa x b x 3

=21abxx²

H = 7 + a x b + 3

=10+abx

J = (2,5 - 1) xa x b

=1.5abx²

C = 8 x a x2

=16ax²

F = 2 x 3 xa x (b x c)

=6abcx²x²

1 = 3 X (2 x a + b) x 5

=(6xa+3b)x5

=(30ax²+15bx)