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Helpppp dam najjjjjjjjjjjjjjj

Helpppp Dam Najjjjjjjjjjjjjjj class=

Odpowiedź :

P = [tex]\frac{1}{2}[/tex] · (7 + 2) · 4 = [tex]\frac{1}{2}[/tex] · 36 = 18