Réponses

2014-09-25T23:16:22+02:00
(7-35)/(12-5)=-28/7=-4
B)=(-2)*(+15)=-30
C=(21-15)/(12-5)=6/7


Meilleure réponse !
2014-09-25T23:24:11+02:00

Bonsoir


A = (7 - 35) / (12 - 5)

A = -28/7

A = - 4


B = (-2) x (+15)

B = -30


C = (21-15) / (12-5)

C = 6/7