Zad 9 str 121 kl.1 wyraź podane powierzchnie we wskazanej jednostce
[cm2] 27,5dm2 2,5m2 0,1m2 1500mm2
[m2] 0,5km2 2km2 12500cm2 2500dm2
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27,5 dm2 = 2750 cm2
2,5 m2 = 25 000 cm2
0,1 m2 = 1000 cm2
1500mm2 = 15 cm2
0,5 km2 = 500 000 m2
2 km2 = 2 000 000 m2
12500 cm2 = 1,25 m2
2500 dm2 = 25 m2