Odpowiedź:
5,1cm^2= 5,1*10*10=510mm^2
1cm^2=100mm^2
4891km^2= 489100ha
1km^2=100ha
3a=0,03ha
1ha=100a
25mm^2=0,000025m^2
1m^2=1 000 000mm^2
Szczegółowe wyjaśnienie:
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Odpowiedź:
5,1cm^2= 5,1*10*10=510mm^2
1cm^2=100mm^2
4891km^2= 489100ha
1km^2=100ha
3a=0,03ha
1ha=100a
25mm^2=0,000025m^2
1m^2=1 000 000mm^2
Szczegółowe wyjaśnienie: