Réponses

2014-10-16T05:56:27+02:00
A) 5m+4dm+2mm =5m+0,4m+0,004m=5,404 m
B) 3dam +8dm + 7cm = 30m +0,8m + 0,07m = 30,87 m
C) 2km +5hm = 2000m +500m =2500 m
D) 5dm +3cm +5mm = 0,5m +0,03m +0,005m = 0,535m