نتائج البحث
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العلوم الطبيعية والرياضيات والإحصاء
فيديو
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العلوم الطبيعية والرياضيات والإحصاء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/Group%2036.png?itok=2YTbU6cn)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/RAl_JL_0p3g.jpg?itok=yNO-_GXG)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/Owa9_Q7s1m4.jpg?itok=ciGuXTFQ)
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المصفيـات: