Răspuns:
2. a) 500 dam = 5000m
1000m-50dam=100dam-50dam=50dam
6x250dam=1250dam=125hm
b) 4m+32dm=40dm+32dm=72dm
42m-30dm=420dm-32dm=388dm=38.8m
6x220dm=1320=132m
c) 17dm+19cm=170cm+19cm=189 cm
415dm-70cm=415dm-7dm=408dm
80mm:2=40mm=0.04m
Explicație pas cu pas: