Réponses

2013-11-13T18:29:22+01:00
2013-11-13T18:34:25+01:00
Bonsoir,

A = 12-12-36
A = 0-36
A = -36

B = -6-(-12)
B = -6+(+12)
B = 6

C = 5-(9-2x6/(-3))
C = 5-(9-12/(-3))
C = 5-(9-(-4))
C = 5-(9+(+4))
C= 5-13
C= -8