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retrouver le produit
7a + 7x3 = ... x ( ... + ...)
8a + ab = ...
6a + 12 = .....
50 + 10c = .....

Sagot :

7a + 7×3 = 7 × (a+3)

8a + ab = a × (8+a)

6a + 12 = 6 × (a+2)

50 + 10c = 10 × (5+c)