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sugestiah6cm v100cm pb60 edytuj post
anonim 2010-04-22 21:48
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Nosek
H = 6cm
V = 100 [cm^3]
Pb = 60 [cm^2]
V = 1/3Pp*H
100 = 1/3Pp*6
100 = 2Pp |:2
Pp = 50 [cm^2]
Pc = 2*Pp + Pb = 2*50 + 60 = 160 [cm^2]2010-05-10 23:28