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29-02-2024
Mathematics

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Exercice 35 mathématique :
Un objet composé d'un alliage d'or et de cuivre, pèse 1 875 g pour un volume de 143 cm3.
1 cm3 d'or pèse 19,5 g et 1 cm3 de cuivre pèse 9 g.
Calcule le volume d'or et le volume de cuivre de cet objet.

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