Réponses

2013-11-17T15:07:38+01:00
2013-11-17T15:08:24+01:00
A) 9,42 + 308,7 =(308+9)+(0.42+0.7)=317+1.12=318.12

b) 7,53 + 56,4 + 38,95 =(7+56+38)+(0.53+0.40+0.95)=101+1.88=102.88

c)72,6 + 39,45 +1,8 =(72+39+1)+(0.6+0.45+0.8)=112+1.85=113.85

d)9,57+ 95,7 + 957 = (9+95+957)+(0.57+0.7+0)=1061+1.27=1062.27