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4dam+15m=?dm,70l+2hl =?dal cat face

Răspuns :

4 dam = 40 m 
4 dam + 15 m = 40m + 15m = 55 m
2 hl = 200 l
70l + 2hl = 70l + 200l = 270 l
400dm + 150dm = 550 dm
7dal + 20dal = 27dal