نتائج البحث
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/zrDkRKucEw4.jpg?itok=u5wXyfHl)
العلوم الطبيعية والرياضيات والإحصاء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/Web%201920%20%E2%80%93%2014.png?itok=GrXQdwA4)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/XBuCXLFrVO4.jpg?itok=nNOSpKA9)
العلوم الطبيعية والرياضيات والإحصاء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/Web%201920%20%E2%80%93%2014.png?itok=GrXQdwA4)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/HOH_BtUWRTM.jpg?itok=4fPxOx0H)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/EI3nXgVP5_I.jpg?itok=TbKiaN2p)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/pGdGkiQFwWE.jpg?itok=r_U95zyo)
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المصفيـات: