نتائج البحث
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/Ob52c-MgDVE.jpg?itok=VPCG7aK0)
العلوم الطبيعية والرياضيات والإحصاء
فيديو
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/wtpB2ZiD8rE.jpg?itok=rEjG3jHJ)
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/QNvKl2vEsM8.jpg?itok=7zJ_HDt0)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/-xYOQH7Ieqk.jpg?itok=5RGxSiUD)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/_88bcdwDbRI.jpg?itok=MW-4Semc)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/8a4klBbY_6E.jpg?itok=Qdw0ZZ5H)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/Eb9ZgadCbj8.jpg?itok=pFpaYfhU)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/pgPdG3bN_eI.jpg?itok=nXJMaM-e)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/C_PaD9OZ1FM.jpg?itok=wIfMOTg4)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/gBv2XaX1JkM.jpg?itok=Qf2RJhJi)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/ATHKPVTalCg.jpg?itok=PtatvfyB)
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