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Calculati:
35m+50dm=.......m
37hm+3,5km=......km
17m+70cm=......dam

Răspuns :

50dm=5m
35m+5m=40m

37hm=3,7km
3,7km+3,5km=7,2km

17m=1,7dam
70cm=0,7dam
1,7dam+0,7dam=2,4dam

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