Răspuns :
17 hm = 1700 m
7 dam = 700 dm
31 km = 3100 dam
41 000 m = 410 hm
30 000 cm = 30 dam
80 000 mm = 8 dam
7 dam = 700 dm
31 km = 3100 dam
41 000 m = 410 hm
30 000 cm = 30 dam
80 000 mm = 8 dam