Réponses

Meilleure réponse !
2013-09-24T19:03:46+02:00
C= -9-4-3+7-4=-13
D=19-4-2-1-10+3=5
E=14-7+2-7+2-7=-3

A=-23
B=-4+3+2-6=-3
C=-4-2+3-10-4=-17
D=10+3-2-7-3-4=-3
C=-4+(-2)-(-3)-10-4= -4-2+3-10-4=3-20=-17
merci bcp
D=10-(-3)+(-2)+(-7)+(-3)+(-4)= 10+3-2-7-3-4= 13-16=-3
voila
merci bcp
2013-09-24T19:04:20+02:00
Exo 1
C = -9-4-3+7-4 = -20+7 = -13
D = 19-4-2-1-10+3 = 22-17 = 5
E = 14-7+2-7+2-7 = 18-21 = -3

Exo 2
A = -6-2-4-3-6-2 = -23
B = -4+3+2-6 = 5-10 = -5
C = -4-2+3-10-4 = 3-20 = -17
D = 10+3-2-7-4 = 13-13=0