شرح الدرس الاول .. الحركة الاهتزازية .. الصف الثاني الاعدادي
شرح علوم الصف الثاني الاعدادي .. الدرس الاول .. الحركة الاهتزازية .. شرح مفهوم الحركة الاهتزازية
5 months ago 00:04:47 1
5 months ago 00:05:34 1
5 months ago 00:49:32 1
7 months ago 00:34:33 1
7 months ago 00:02:29 1
7 months ago 00:15:30 1
8 months ago 00:43:10 1
8 months ago 00:47:42 1
8 months ago 01:51:41 1
8 months ago 02:11:07 1
8 months ago 01:44:23 1
8 months ago 00:48:42 1
8 months ago 00:12:20 1
10 months ago 00:09:34 1
10 months ago 00:10:42 1
10 months ago 01:27:29 1
10 months ago 01:07:50 1
10 months ago 00:19:26 1
10 months ago 00:11:13 1
10 months ago 00:10:49 1
10 months ago 00:10:45 1
10 months ago 00:03:17 1
11 months ago 00:04:18 1
11 months ago 00:02:14 1
