نتائج البحث
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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/93pSLMPeaDM.jpg?itok=-h_-3MS-)
العلوم الطبيعية والرياضيات والإحصاء
فيديو
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/dkOi83WlhCc.jpg?itok=CQigIXvL)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/cmZLE3zOHGs.jpg?itok=n2yS-VRh)
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المصفيـات: