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Qui peut m’aider silvoulpler

Qui Peut Maider Silvoulpler class=

Sagot :

ELYAS270
a. 6 x 3a + 6 x 2
= 18a + 12

b. a x 5 - a x b
= 5a - ab

c. a x 1 + a x a
= a + 2a
=3a
Bonjour :)
Je vais t’aider ;)

A = 6(3a + 2 )
A = 6 x 3a + 6 x 2
A = 18a + 12
———————————
B = (5 - b ) x a
B = a x 5 + a x ( -b )
B = 5a - ab
———————————
C = a (1 + a )
C = a x 1 + a x a
C = 1a + a^2

Bonne journée :)