“Казака в поход я провожала“ Казачья песня
авторская казачья песня Ирины Гущиной на стихи атамана Владимира Камкина
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![Старейшая нерешённая задача [Veritasium]](https://sun9-27.userapi.com/HwNc9xdS0TRu8_hZ-mrB_7LUwdOGk1J_iW9s9w/eVbKrg3QmMw.jpg)
2 months ago 02:10:28 1
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2 months ago 00:25:37 1
![Теория игр: жизнь, Вселенная и всё остальное [Veritasium]](https://sun9-47.userapi.com/aJPPHpSWqOC3PdmhKNcF5PC6rclEG7zZBXukYA/g35bYcKbta4.jpg)
2 months ago 01:32:31 1
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