karen-collins_60bf9f821aa08
karen-collins_60bf9f821aa08
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vamos la ab= m a+b= n elevando ao quadrado ambos os lados temos (a+b)^2= n^2 desenvolvendo a^2+2ab+b^2 = n^2 a^2+b^2= n^2 -2ab a^2+b^2 = n^2 -2m okkkkkk o resto vc faz okkk