قناة math 4 u

لتعليم استخدام الادوات الهندسيه


http://2.bp.blogspot.com/-VWintCSUssU/U0aaBaji5oI/AAAAAAAABjo/RiOkgdWRY_k/s1600/10-04-2014+03-14-54+%D9%85.jpg (https://www.youtube.com/channel/UCl1XvkCCFmK416N61Xszw0A)


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