Graf in limbaj geometric

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mychrom
Euclid
Posts: 16
Joined: Mon Oct 08, 2007 8:52 pm

Graf in limbaj geometric

Post by mychrom »

Pe laturile unui poliedru convex desenam cate o sageata a.i. sa existe macar o sageata care vine in acel varf si macar una care pleaca. Demonstrati ca putem gasi o fata a poliedrului a.i. laturile sale sa formeze un circuit.
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Filip Chindea
Newton
Posts: 324
Joined: Thu Sep 27, 2007 9:01 pm
Location: Bucharest

Post by Filip Chindea »

Romania TST 2005, vezi discutia de aici.
Life is complex: it has real and imaginary components.
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