Răspuns:
1 kg= 1000 g= 1000000 mg
3400 dag= 34 kg= 34000 g
72000 hg= 72 q
4 t= 40 q= 4000 kg
300 dag= 3 kg= 3000 g
42000 kg=420 q= 42 t
30 q= 3 t= 3000 kg
510000 g= 5100 hg= 510 kg
19 kg= 190 hg= 1900 dag
3 kg= 30000 dg= 300000 cg
