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1m = 100cm
1m^2 = 100*100 cm = 10000cm^2
10m^2 = 100000cm^2
250*15 = 3750cm^2 *10 = 37500 cm^2
100000 : 37500 = 2,6 ~3
Odp: nalezy kupic 3 opakowania.
Pole Paneli = 250cm x 15cm = 3750cm²
100.000cm²/3750cm²≈26,7
26,7/3≈3 opakowania
Odp.: Trzeba kupić 3 opakowania paneli.