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Product of Functions http://www.khanacademy.org/video/product-of-functions ------------------------------------------------------------------ يتناول هذا الفيديو عملية ضرب الاقترانات من خلال شرح لمثال ------------------------------------------------------------------ شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org