Bonsoir, j'ai eu la réponse d'un exercice mais je ne comprend ce que signifie par exemple: x-2/5x-1/4x=280
Si je marque sur ma feuille ceci : x-  \frac{2}{5x} - \frac{1}{4x} =280
est ce que ca correspond a x-2/5x-1/4x=280
PS : Un oui ou un non me suffirais ^^
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