choisir un nombre retrancher 3 a ce nombre multiplier le resultat par le nombre choisi au depart ajouter le triple du nombre choisi au depart  j arrive a aplliquer le programme mais le resultat final de ce programme de calcul sera t il toujours egal au carre du nombre choisi au depart justifie ta reponse

By: USER8356
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques

choisir un nombre retrancher 3 a ce nombre multiplier le resultat par le nombre choisi au depart ajouter le triple du nombre choisi au depart  j arrive a aplliquer le programme mais le resultat final de ce programme de calcul sera t il toujours egal au carre du nombre choisi au depart justifie ta reponse

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Answer (312)

Best Answer
(215)

si on le traduit par une équation, ça donne

x(x-3)+3x = x²

x²-3x+3x = x²

x² = x²

 

donc, quel que soit le chiffre choisi, ce programme de calcul vérifie l'équation.

 

Answered on 27 Agustus 2025

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