Hachette propose également des versions numériques en accès libre pour faciliter le travail en autonomie :
The complete PDF containing every single correction is legally available to verified teachers. If you are struggling with a specific chapter, the most direct path is to ask your teacher for the correction framework. Digital Textbook Platforms (MonLycéeNumérique / Edulib)
Several academic sites host chapter-specific corrections provided by teachers for their students: