tona bonjour
La moyenne arithmétique de 9 nombres
est 12. Si l'on retire l'un de ces nombres,
la moyenne devient égale à 8. Quelle est
la valeur du nombre que l'on a retiré ? Merci

By: USER7481
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
tona bonjour
La moyenne arithmétique de 9 nombres
est 12. Si l'on retire l'un de ces nombres,
la moyenne devient égale à 8. Quelle est
la valeur du nombre que l'on a retiré ? Merci
Asked by:
206 Viewed 206 Answers

Answer (206)

Best Answer
(423)

Réponse :

Explications étape par étape :

Bonjour,

Voici la réponse en pièce-jointe !

En espérant t'avoir aidé, n'hésite pas à poser des questions si besoin.


Answered on 27 Agustus 2025

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