[obm-l] Somatório

To: obm-l@xxxxxxxxxxxxxx
Subject: [obm-l] Somatório
From: "Bruna Carvalho" <bruna.carvalho.pink@xxxxxxxxx>
Date: Wed, 31 May 2006 14:37:54 -0300
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alguem poderia me ensinar como funciona e como ultilizar aquele símbolo de somatório?