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27,5dm²= 2750cm²
2,5 m²=2500cm²
0,1m²=100cm²
1500mm²=15cm²
0,5 km²=5000m²
2km²=20000m²
12500 cm²=12,5m²
2500 dm²=25m²
2 zad.
1x36, 2x18, 3x12, 4x9, 6x6
jest 5 takich prostokatow