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Adding and Subtracting Polynomials 2 http://www.khanacademy.org/video/adding-and-subtracting-polynomials-2 ----------------------- يتناول هذا الفيديو حل لمسألة توضح جمع وطرح متعددات الحدود ------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org