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Events and Outcomes 3 http://www.khanacademy.org/video/events-and-outcomes-3 ---------------------------------------------- يتناول هذا الفيدو حل مسألة احتمالات بمثال عن حجر النرد ---------------------------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org