Réponses

2014-01-08T18:39:41+01:00
A= 3-2t-3 = -2t
B= 5t-3t+5 = 2t+5
C= 5+5-6t = 6t+10
D= 2+2t-9 = 2t-7
E= 3t-6t+12 = -3t+12
F= -6t+9t+11 = 3t+11