Bonjour, Je suis en Seconde et j'ai un niveau de maths très bas. Est ce que vous pouvez m'aider pour cet exercice s'il vous plait : Je suis un nombres entiers qui, quand on ajoute 30 à mon produit par 7, donne le carré de 11. Qui suis je ? Merci d'avance.

Question

Grade: Education Subject: mathematiques

Bonjour,
Je suis en Seconde et j'ai un niveau de maths très bas.
Est ce que vous pouvez m'aider pour cet exercice s'il vous plait :
Je suis un nombres entiers qui, quand on ajoute 30 à mon produit par 7, donne le carré de 11. Qui suis je ?

Merci d'avance.

Asked by: USER8257

291 Viewed 291 Answers

Answer (291)

USER7652

Best Answer

(194)

Réponse :

x = le nombre

30+(x*7) = 11²

30+7x=121

7x=121-30

x=13

nombre 13

Explications étape par étape :

Answered on 27 Agustus 2025

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Bonjour, Je suis en Seconde et j'ai un niveau de maths très bas. Est ce que vous pouvez m'aider pour cet exercice s'il vous plait : Je suis un nombres entiers qui, quand on ajoute 30 à mon produit par 7, donne le carré de 11. Qui suis je ? Merci d'avance.

Question

Answer (291)

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