Question

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1 ar to pole kwadratu
O boku ....... m
1a =....... m^2

4a=...... m^2
50a=.....m^2
300m^2=.......a
70m^2=...... a
450m^2=...........a

1 hektar to pole kwadratu
O boku......m
1ha =........m^2

5ha=.......m^2
71ha=......m^2
3000m^3
1m^2=.......a
20ha=.....a

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