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Pares de Tangentes
To
: <
obm-l@xxxxxxxxxxxxxx
>
Subject
: Pares de Tangentes
From
: "Marcelo - EPD" <
marcelo@xxxxxxxxxxxxxxxx
>
Date
: Tue, 20 Mar 2001 08:38:00 -0300
Reply-To
:
obm-l@xxxxxxxxxxxxxx
Sender
:
owner-obm-l@xxxxxxxxxxxxxx
Prove que os 3 pares de tangentes externas comuns a 3 círculos, tomadas 2 a 2, cortam-se em 3 pontos colineares.
Qualquer ajuda será bem vinda.
Obrigado.
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