Réponses

2014-09-25T18:54:51+02:00
Exercice 25
-8.2+9.675=1.475
5.42-13.68=8.26
342-(-85)=342+85
              =427
-8.5 + (-0.53)=9.03
1.28+(-1.28)=0
-45-48=93