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Pp = 2*(6cm*5cm + 6cm*5cm + 5cm*5cm) = 2*(30cm² + 30cm² + 25cm²) = 2*85cm² = 170cm²
c)
V = 6cm*5cm*5cm = 150cm³
6*4+5*8=24+40=64cm
B)
6*5*4+2*5*5=120+50=170cm2
C)
5*5*6=25*6=150cm3
Myślę że pomogłem !!