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Mathematics, 04.01.2021 20:50 piyonax

11 13. Un camp de vacances possède 120 gilets de sauvetage de trois grandeurs
différentes. Les des gilets sont de taille petite, 30 % sont grands et le
40
reste des gilets sont de taille moyenne.
Trouve le nombre de gilets de chaque taille. Donne ensuite la fraction
simplifiée qui correspond à chacune de ces quantités par rapport au
nombre total de gilets.

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11 13. Un camp de vacances possède 120 gilets de sauvetage de trois grandeurs
différentes. Le...
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