Приветствие программной комиссии MathCat 2018
Приветственное слово из Праги разработчика “белого“ уровня задач MathCat Ольги Ежковой
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![ИЗВЕЩЕНИЕ о Решении Международного Суда по правам человека IBAHRI🎥 ПрямойЭФИР[]](https://sun9-17.userapi.com/gzXBeQj84XEsdoexKmQr0N415alL29ganPJUFw/amgU4CAb3Kc.jpg)
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