Efetue: b-a/(a+b) Deu mt dúvida agora.... Pergunta de ideia deIgorA88

IgorA88 @IgorA88

January 2020 1 84 Report

Efetue:
b-a/(a+b)
Deu mt dúvida agora

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ProfAmaral $b- \frac{a}{a+b} = \frac{(a+b)\cdot b}{a+b}- \frac{a}{a+b}= \frac{ab+b^2}{a+b}- \frac{a}{a+b}= \frac{ab+b^2-a}{a+b}= \frac{b^2+ab-a}{a+b}$

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