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2010-01-27T15:25:59+01:00
Pb = Pc - 24 cm
Pb = 2 PP

Pc = Pp + Pb
Pc = ½ Pb + Pc - 24
- ½2 Pb = -24
Pb = 48 cm²

Pb = Pc - 24
Pc = Pb + 24
Pc = 72 cm²
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2010-01-27T15:53:47+01:00
Pb = Pc - 24 cm
Pb = 2 Pp


Pc = Pp + Pb
Pc = ½ Pb + Pc - 24
- ½2 Pb = -24
Pb = 48 cm²


Pb = Pc - 24
Pc = Pb + 24
Pc = 72 cm²

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