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Testing Solutions for a System of Inequalities http://www.khanacademy.org/video/testing-solutions-for-a-system-of-inequalities ------------------------------------------------------- يتناول هذا الفيديو طريقة فحص لحل لنظام من المتباينات ------------------------------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org