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/sv1scDH0nMg.jpg?itok=5aMQw5Vv)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/tsPwrz2NRSM.jpg?itok=Ev1HPjtN)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/W2e0u7sUF_k.jpg?itok=EdXeJm80)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/SSGBEuff62I.jpg?itok=i0XUjQfy)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/G-A1EuxNlSU.jpg?itok=X-lY_yA-)
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