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Calculeaza operatiile;
150m+75dam-2hm =?m
6cl×5=?dl
35 000g+400dag+2kg?kg
42t+56kg+244kg=?kg
8decenii+1secol-36 de luni ? ani
2ore 35 minute +5 ore 25 min=?min
16dal×100=?dal=?hl=?kl