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CA Algebra I: Completing the Square http://www.khanacademy.org/video/ca-algebra-i--completing-the-square ------------------------------------- يتناوا هذا الفيديو مسألة تحل باستخدام اكمال المربع ------------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org