Răspuns :
1hm=100m
1dam= 10m
2700m -900m = 1800m
2700 + 1800 = 4500 m = 45 hm
P = 45x2 =90 hm
1dam= 10m
2700m -900m = 1800m
2700 + 1800 = 4500 m = 45 hm
P = 45x2 =90 hm