درس للسنة متوسط

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http://www.cyberpapy.com/devoirs/liste.php

http://www.cyberpapy.com/devoirs/liste.php

http://www.cyberpapy.com/devoirs/liste.php

http://simiaa.ifrance.com/animation/carbone.htm

http://simiaa.ifrance.com/animation/carbone.htm

http://www.infpe.edu.dz/publication/_PRIVATE/E_Moyen/En_moyen_2a/Physique/Sc_Physique.zip

http://www.moafa.com/download.php?action=view&id=218&s=fd1cf083d98a9c0cb94339d4e0b98592