" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
860000000
31
bo
1ha=10000m2
1km2=1000000m2
b) 860 000 000 m² dziennie 1km²= 1000m×1000m= 1000000m² ( dopisujemy 6 zer)
c) 31 000 000 ha rocznie 1 ha = 100a= 10000m²= 0,01km² (dopisujemy 2 zera )