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Roselineserra99
@Roselineserra99
April 2019
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Ajouter 10 a un nombre revient a le multiplier par 5. Quel est ce nombre ?
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xxx102
Verified answer
Bonjour,
On peut répondre au problème en résolvant une équation.
Soit x le nombre cherché, on a :
x+10 = 5x
Soit
10 = 4x
x = 10/4 = 2,5
Si tu as des questions, n'hésite pas ! =)
7 votes
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Lista de comentários
Verified answer
Bonjour,On peut répondre au problème en résolvant une équation.
Soit x le nombre cherché, on a :
x+10 = 5x
Soit
10 = 4x
x = 10/4 = 2,5
Si tu as des questions, n'hésite pas ! =)