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225cm2 * 100= 22500cm2 = 2,25m2
20cm * 20cm = 400cm2
400cm2 * 50=20000cm2 = 2m2
1 plytka- 15*15=225cmkwadratowych
100 plytek 225*100=22500cmkwadratowych=2.25m kwadratowych
50 plytek
1plytka- 20*20=400cm kwadratowych
50 plytek-400*50=20000cm kwadratowych=2 m kwadratowe