http://darif.eb2a.com/vb/forumdisplay.php?6-قسم-الرياضيات

http://modonat-alaa.freehostia.com/2009/09/%D8%A7%D9%84%D8%A8%D8%B1%D9%85%D8%AC%D8%A9-%D9%84%D9%84%D9%85%D8%A8%D8%AA%D8%AF%D8%A6%D9%8A%D9%86-1-%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D8%AC%D9%8A-%D8%A7%D9%84%D8%A3%D9%88%D9%84/

doros inform

http://autoformation.freehostia.com/

http://madariss.fr/College/math/zirri/

http://sciences-mpc3.ifrance.com/index_fichiers/Page978.html

http://www.fanit-mehdi.com/