نتائج البحث
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الكيمياء العامة "عملي" : تعيين الوزن الجزيئي لمادة غير متطايرة بواسطة الانخفاض في درجة التجمد (عملي)
العلوم الطبيعية والرياضيات والإحصاء
فيديو
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/organization-logo/Group%2036.png?itok=2YTbU6cn)
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![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/_2ttRMwGbbc.jpg?itok=ZxVXLOtR)
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/kRC2MzilzQc.jpg?itok=YeU2OpIt)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/3YiYZhZX_zg.jpg?itok=LXaNdVXf)
![](https://oerx.nelc.gov.sa/sites/default/files/styles/large/public/video_thumbnails/znwg4MsA3nI.jpg?itok=Olv9u7zl)
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المصفيـات: