http://genie2casa.ning.com/
http://anouar12.canalblog.com/
http://clemath.com/Dossiers/TCS/Cours2/3_Transformations.pdf
http://istidlalmaths2.voila.net/istidlal2/images/imagesymetraxe/hotpotat/symeaxijcloze/symaxiale.htm
http://adnane.megabyet.net/dem/2.htm
http://omrabia.free.fr/tests/testt.htm
http://maths.freetzi.com/noure/2annee.htm
http://maths.freetzi.com/noure/index.html
http://www.1et2.c.la/