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Mathematics, 19.04.2020 21:23 Officaljazz18

Problème n°3 :
Xavier a 3 ans de plus que son petit frère et 5 ans de moins que l'ainé de la famille. Sachant que la somme
des âges des trois frères est 26 ans déterminer l'âge de Xavier.
On notera x l'âge de Xavier. Calculer, ensuite, l'âge du cadet et de l'ainé.

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Problème n°3 :
Xavier a 3 ans de plus que son petit frère et 5 ans de moins que l'ainé de la f...

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