Zamień a) na milimetry kwadratowe !!! Dam naj ;D 6 cm2 , 2,5 cm2 , 1 dm2, 0,007 dm2 b)na centymetry kwadratowe : 7 dm2 , 0,6 dm2 , 2 m2 0.05m2
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6 cm2=600mm2
2.5cm2=250mm2
1dm2=10000mm2
0.007dm2=70mm2
7dm2=700cm2
0.6dm2=60cm2
2m2=20000cm2
0.05m2=500cm2
to proste 1cm=10mm a 1cm2=100mm2 1dm=10cm 1dm2=100cm2
mam 6 z matematyki więc na 100% masz to dobrze:)