Bonsoir! simple question de calcul littérale :est ce que peut se simplifier par merci.... Pergunta de ideia de04h37

May 2019 1 57 Report

Bonsoir!
simple question de calcul littérale :est ce que $\frac{5* \frac{x}{2} - \frac{x}{2} }{2}$ peut se simplifier par $\frac{3* \frac{x}{2} }{2}$ merci

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Commentaires Bonjour 04h37

$\dfrac{5\times\dfrac{x}{2}-\dfrac{x}{2}}{2}\neq\dfrac{3\times\dfrac{x}{2}}{2}$

En effet :

$\dfrac{5\times\dfrac{x}{2}-\dfrac{x}{2}}{2}=\dfrac{\dfrac{5x}{2}-\dfrac{x}{2}}{2}=\dfrac{\dfrac{5x-x}{2}}{2}=\boxed{\dfrac{\dfrac{4x}{2}}{2}}=\dfrac{2x}{2}=x$

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