Réponses

2013-11-13T19:07:33+01:00
A = 29ac
B = -12xy
C = 10a
D = -5x
E = 12ab
F = -6yt
G = 8y-5
2013-11-13T19:11:41+01:00
Bonsoir

A15ac+14ac = 29 ac
B:23xy-35xy = - 12xy
C:2a+8a = 10a
D:7x-12x = -5x
E:7ab+5ba = 12ab
F:9yt-15t = - 6yt
G:11y-5-3y
= 8y -5