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V = 125cm3
a = ?
P = ?
Rozwiązanie:
V = a3
V = 125 : 25
V = 5 cm
P = a2
P = 5 cm x 5 cm = 25 cm2
Odp.: Pole sześcianu wynosi 25cm2.
3x=125cm3
x=125/3
x=41,(6)
x(w zaokrągleniu)=42cm