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2014-05-27T15:19:37+02:00
Exercice 86

a)
-29,80+200=170,20
b)
-78+(-83)=-161

2)
a)
(-4)+(-5)=-9
b)
(-125)+(416)=291

exercice 87

Bayonne
4-(-1)=5
Brest
6-0=6
Colmar
-1-(-5)=4
Nice
12-5=7