7 dam=70 m
20 dam=200m
5hm=500m
4km=4000m
15hm= 1500m
1000dam=10000m
7 dam = 70 m
20 dam =200 m
5 hm = 500 m
4 km = 4000 m
15 hm = 1500 m
1000 dam = 100000 m