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x - krawędź
pc = 150
pc = x*x*6
* 6 = 150
= 25
x = 5 [cm]
II
x - krawędź
V = 216
V = x*x*x
pc = ?
pc = x*x*6
x*x*x=216
x = 6
pc = 6*6*6
pc = 216 [cm]
Drógie zadanie D