Réponses

2014-10-14T19:28:22+02:00
Développer Chaque Produit A) 8 * (6 + x) = 48 + 8x
B) 7 * (5 - a) = 35 - 7a
C) x * (12 - y) = 12x - xy
D) (15 + b) * a
= 15a + ab
2014-10-14T19:30:32+02:00
A)8*6+8x = 48+8x
B)7*5+7*(-a)=35+(-7a)
C)12x+x(-y)
D)15a+ab