نتائج البحث
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العلوم الطبيعية والرياضيات والإحصاء
فيديو
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العلوم الطبيعية والرياضيات والإحصاء
فيديو
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/yp0z5PAn-Xs.jpg?itok=5THHj9ci)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/RPtIAhu_7-8.jpg?itok=Joshijes)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/M8bI3-T8-lo.jpg?itok=m3nbHgOl)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/L0z6yjaaLYw.jpg?itok=tuFTR_HE)
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المصفيـات: