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Domain and Range 2 http://www.khanacademy.org/video/domain-and-range-2 --------------------------------------------------------------- يتناول هذا الفيديو مثالاً لتمثيل اقتران محدد المجال والمدى فيه --------------------------------------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org