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V=3*1*1*1=3 cm3
Pc=pole prostopadłościanu o krawędziach długości a=1cm,b=1cm,c=3cm
Pc=2*a*b+2*a*c+2*b*c
Pc=2*1*1+2*1*3+2*1*3=2+6+6=14 cm2