October 2018 2 11 Report

wyrażenia:

w mm2 - 1cm2 , 5cm2 , 0,2cm2 , 1dm2 , 15dm2

w m2 - 1km2 , 4,5km2 , 1 ha , 7ha , 8,5ha

w arach - 1ha , 14,5ha , 1km2 , 2,5km2 , 100m2

w hektarach - 10 000m2 , 1km2 , 100a , 5,5km2 , 7000a

ta 2 oznacza kwadratowe

jak ktoś niewie to:

a-ary

ha-hektary


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