Р=6+9+7+2+(7-6)+(9-2)=24+1+7=32 м
S=2*7+6*(9-2)=14+42=56 м²
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Р=6+9+7+2+(7-6)+(9-2)=24+1+7=32 м
S=2*7+6*(9-2)=14+42=56 м²