Exercice 17
A=(-8) + (+12)=4
B=(-17) + (-9)=-26
C=(+16) + (-20)=-4
D=(+5) + (+13)=18
E=(-14) + (+5)=-9
F=(+15) + (-8)=7
Exercice 18
G=(-11) + (+4)=-7
H=(-9) + (-9)=-18
I=(+23) + (-13)=10
J=(+15) + (+19)=34
K=(-2) + (+12)=10
L=(+22) + (-12)=10
Voila en espérant que ceci t'aidera
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Exercice 17
A=(-8) + (+12)=4
B=(-17) + (-9)=-26
C=(+16) + (-20)=-4
D=(+5) + (+13)=18
E=(-14) + (+5)=-9
F=(+15) + (-8)=7
Exercice 18
G=(-11) + (+4)=-7
H=(-9) + (-9)=-18
I=(+23) + (-13)=10
J=(+15) + (+19)=34
K=(-2) + (+12)=10
L=(+22) + (-12)=10
Voila en espérant que ceci t'aidera