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a) PF2/150cm(2)=1/5(2)
PF2/150cm(2)=1/25
PF2=150cm(2)*1/25=6cm(2)
b)PF2/150cm(2)=0,4(2)
PF2/150cm(2)=0,16
PF2=150cm(2)*0,16=24cm(2)
c)PF2/150cm(2)=3(2)
PF2/150cm(2)=9
PF2= 150cm(2)*9=1350cm(2)
d)PF2/150cm(2)=10/3(2)
PF2/150cm(2)=100/9
PF2=150cm(2)*100/9=1666 2/3
(2)-do kwadratu