Odpowiedź:
a) P = 1/2 * 4 * 3 = 5
b) P = 1/2 * 9 * 5 = 22.5
c) P = 1/2 * 5 * 3 = 7.5
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Odpowiedź:
a) P = 1/2 * 4 * 3 = 5
b) P = 1/2 * 9 * 5 = 22.5
c) P = 1/2 * 5 * 3 = 7.5