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Solving and graphing linear inequalities in two variables 1 http://www.khanacademy.org/video/solving-and-graphing-linear-inequalities-in-two-variables-1 ---------------------------------------------------------------------------- يتناول هذا الفيديو مسألة لحل وتمثيل متباينات خطية بمتغيرين بيانياً ---------------------------------------------------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org