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Solid of Revolution (part 7) http://www.khanacademy.org/video/solid-of-revolution--part-7 --------------------------------- يتناول هذا الفيديو ايجاد حجم جسم دوار --------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org