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Annale 2020/2021 S2 session 1 QCM 19


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il y a 32 minutes, Loïstamine a dit :

Coucou 👋

Encore une fois je reste bloquée devant un exercice de chimie orga...

Je n'arrive pas à "schématiser" / "développer" cet annoncé :

https://zupimages.net/viewer.php?id=25/12/a8ms.png

 

Merci d'avance à ceux qui m'aideront 🤗

Bon après midi 🫶

Salut !

 

J'ai fait ça :https://zupimages.net/viewer.php?id=25/12/mjxj.jpeg donc je trouve A C et E en justes.

 

N'hésitez pas à me corriger (:

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