[obm-l] pontos num plano

To: obm-l@xxxxxxxxxxxxxx
Subject: [obm-l] pontos num plano
From: charles <9charles@xxxxxxxxx>
Date: Thu, 6 Jul 2006 15:45:49 -0300
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Existem 100 pontos num plano.Prove que podemos traçar uma reta tal que haja exatamente 50 pontos de cada lado da reta.