Noahmira Noahmira

12-03-2017
French

contestada

une couronne pese 1200g et a un volume de 75cm cube elle est faite d'or et d'argent quel pourcentage d'or et d'argent contient la couronne.

Respuesta :

samtoumi samtoumi

12-03-2017

Donc d'abord, vous devez soustraire 1200 de 75 et vous venez avec 1125. C'est votre réponse, frère.

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