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Calculus: Derivatives 3 http://www.khanacademy.org/video/calculus--derivatives-3 ------------------------------------------- يتناول هذا الفيديو حل مسائل عن المشتقات ------------------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org