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Le siège d'une entreprise décide de répartir les employés du 1er étage dans les autres étages, afin de le transformer en cafétéria. Si la direction envoie 6 employés dans chaque étage, ils seront tous répartis.Combien y avait-t-il d'employés au 1er étage ?(1) Si la direction envoie 4 employés à chaque étage, il restera 72 employés à placer.(2) Si 8 employés sont envoyés à chaque étage en remontant vers le sommet de la tour, il n'y aura pas de nouvel arrivant dans les 9 derniers étages.

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