Va rog, cine ma poate ajuta.
![Va Rog Cine Ma Poate Ajuta class=](https://ro-static.z-dn.net/files/dd0/975df8483998301d0a7c881788ae9ac8.jpg)
Răspuns:
3 km=3000m
3000hm=300km
280dam=28hm
800m=80dam
500hm=5m
15mm=15000m
1800mm=18dm