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M2017


Bch14
Go to solution Solved by choLOLApine,

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Saluuut !!

 

Cet item est compté faux : jlsj.png

 

La justification donnée dans la correction est : "son rôle est de modifier l'intensité du son". Mais en soi s'il modifie l'intensité du son c'est pour protéger l'oreille moyenne et interne non ?

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