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Date: Thu, 2 Feb 2012 Start time: 15:31 Duration: 00:59:56 ![]() |
Date: Tue, 31 Jan 2012 Start time: 15:31 Duration: 01:10:47 ![]() |
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Date: Tue, 17 Jan 2012 Start time: 15:32 Duration: 00:51:53 ![]() |
Date: Fri, 13 Jan 2012 Start time: 15:00 Duration: 00:27:22 ![]() |
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![]() Class: "Алкены. Гомологический ряд, изомерия, номенклатура, получение" (5/10) Date: Tue, 22 Nov 2011 Start time: 15:31 Duration: 00:56:18 ![]() |
Date: Thu, 17 Nov 2011 Start time: 15:30 Duration: 01:23:32 ![]() |
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Date: Thu, 20 Oct 2011 Start time: 15:31 Duration: 00:56:35 ![]() |