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Re: [obm-l] obm

Essa questao e da  XXVIIOBM terceira fase nivel 2
R=16/11

 
On 2/16/06, Klaus Ferraz <klausferraz@yahoo.com.br> wrote:
Sejam a, b c reais quaisquer, tais que  (a-b)(b-c)(c-a)/(a+b)(b+c)(a+c)=1/11
Calcule a/(a+b) + b(b+c)+c(a+c)

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