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zece transformari din unitati de masura .please .va rog enorm .

Răspuns :

1km=1000m
21m=2100cm
19,2dm=192cm
0,25dm=2,5cm
37mm=3,7cm
2,1dam=0,0021cm
12dm=144dm patrati
130cm=13.000cm patrati
1,5hm=150m
37,5m patrati=3750dm patrati
0,02km cub =20hm cub