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127:2=63,5cm² = pole 1 podstawy
Pb=240m²
Pc=2*Pp+Pb
367m²=2*Pp+240m²
2*Pp=367m²-240m²
2Pp=127m²/:2
Pp=63,5m²
odp.każde z podstaw ma 63,5m²
127m²/2=63,5m²
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