" la somme de 5 nombres entiers consécutifs est un multiple de 5 est elle exacte ? "
justifie la réponse en utilisant le calcul littéral ​

By: USER3922
27 Agustus 2025 mathematiques 5 minutes
4.5
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Question

Grade: Education Subject: mathematiques
" la somme de 5 nombres entiers consécutifs est un multiple de 5 est elle exacte ? "
justifie la réponse en utilisant le calcul littéral ​
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Answer (143)

Best Answer
(306)

bien le BONJOUUUUUR à toi aussi

1er nbre :  n

le suivant donc le consécutif :   n+1

etc

donc ici somme des 5 nbres consécutifs s'écrit

n + n+1 + n+2 + n+3 + n+4

tu calcules = 5n+10

= 5 x (n+2)

donc ?

Answered on 27 Agustus 2025

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