Si l'on met bout à bout les tailles de Lucas, de Kahina et de Nils, on trouve 335 cm.
Lucas et Nils mesurent ensemble 235 cm.
Nils et Kahina mesurent 215 cm.
Quelle est la taille de chacun?

By: USER8591
27 Agustus 2025 mathematiques 5 minutes
4.5
207 views 207 comments 13 shares

Question

Grade: Education Subject: mathematiques
Si l'on met bout à bout les tailles de Lucas, de Kahina et de Nils, on trouve 335 cm.
Lucas et Nils mesurent ensemble 235 cm.
Nils et Kahina mesurent 215 cm.
Quelle est la taille de chacun?
Asked by:
207 Viewed 207 Answers

Answer (207)

Best Answer
(192)
K+N=L+N+20
donc K=L-20
335-N+K=120
L=120
L+N=235  N-L(120)=115                 N=115
L+N=120+115=235
donc N =100cm 
car 335-235=100 
c bon ?

Answered on 27 Agustus 2025

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