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calculati. 12km + 130 hm = ? hm. 7km - 25dam =?m. 3dam +19m =?dm. DAU CORONITA

Răspuns :

120hm+130hm=150hm
7000m-250m=6750m
190dm+300dm=490dm

a)12km+130hm=12km+13km=25km
b)7km-25dam=7000m-250m=6750m
c)3dam+19m=300dm+190dm=490dm