cc aidez moi svp demontrer que la somme de 3 entier consecutif est un multiple de 3 avc x

By: USER4571
28 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
cc aidez moi svp demontrer que la somme de 3 entier consecutif est un multiple de 3 avc x
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Answer (96)

Best Answer
(146)
Soit n, n+1 et n+2 les trois entiers :

n + (n+1) + (n+2) = 3n + 3 = 3(n+1)

La somme est un multiple de 3 car divisible par 3
Answered on 28 Agustus 2025

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