Odpowiedź:
pc = 2pp + pb = 2 x a² + 4ah = 2x 6² + 4 x 6 x 5 = 2 x 36 + 120 = 72 + 120 = 192
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Odpowiedź:
pc = 2pp + pb = 2 x a² + 4ah = 2x 6² + 4 x 6 x 5 = 2 x 36 + 120 = 72 + 120 = 192