Odpowiedzi

2010-03-07T17:22:08+01:00
Ppc = 2*Pp + Pb
Pb=2*ah+2*hb

280c=2*60*5+2*5*h+2*6*h
280=60+10h+12h
22h=280-60
22h=220 | /h
h=10
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