نتائج البحث
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/831790270.jpg?itok=b3hI_VGG)
العلوم الطبيعية والرياضيات والإحصاء
فيديو
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/zHxs6h3m26o.jpg?itok=nRw3n91Y)
العلوم الطبيعية والرياضيات والإحصاء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/KFU%20Logo%20Arabic-1.png?itok=acsuZhnL)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/ef4m9-DOzmE.jpg?itok=EzPQ7UH6)
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المصفيـات: