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chimie orga


Go to solution Solved by RElisse,

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Bonjour, est ce que quelqu'un pourrait essayer de m'expliquer l'item E de ce QCM parce que je n'arrive pas à comprendre comment tout numéroter pour trouver la bonne formule. 

 

Bonne après-midi

Capture d’écran 2023-12-05 135322.png

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