Odpowiedzi

2009-11-14T15:54:33+01:00
Metry kwadratowe 13ha = 130000 m2 18,3a = 1830 m2
2km = 20 m2

ary 1670m2 = 16,7a 0,35 ha = 35 a 12 km = 1,2 a

ha 210a= 2,1 ha 890620m² = 89,062 ha 20010km²= 2,001

km2 2000000m²= 2 km2 1800000a =18000km2
180 ha =180 km2