Pole powierz i prostopadłościanu o wymiarach1m 1m 10 cm
P=1m*1m*2+0,1m*1m*4=2m^2+0,4m^2=2,4m^2
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P=1m*1m*2+0,1m*1m*4=2m^2+0,4m^2=2,4m^2