acestea 3 va rog rapid
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Răspuns:
3 x 6 km = 18 km = 180 hm
300 dam : 3 = 100 dam = 1000 m
522 km : 9 = 58 km = 58 000 m
[ 1 km = 1000 m = 10 hm
1 dam = 10 m ]