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Через основания трёх чевиан, пересекающихся в одной точке, провели прямые, параллельные этим чевианам. Доказать, что три пунктирные прямые пересекаются в одной точке. (Младшая группа, задача №3)
Цікава, што гэтая задачка належыць цудоўнаму юнаму аўтару (і нашаму падпісанту) Дзянісу Вістунову і была прапанавана на Wonderful Geometry Olympiad у чэрвені гэтага года ў ягоным канале.



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Цікава, што гэтая задачка належыць цудоўнаму юнаму аўтару (і нашаму падпісанту) Дзянісу Вістунову і была прапанавана на Wonderful Geometry Olympiad у чэрвені гэтага года ў ягоным канале.

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"Markets were cheering this economic recovery and return to strong economic growth, but the cheers will turn to tears if the inflation outbreak pushes businesses and consumers to the brink of recession," he added. Some people used the platform to organize ahead of the storming of the U.S. Capitol in January 2021, and last month Senator Mark Warner sent a letter to Durov urging him to curb Russian information operations on Telegram. But Telegram says people want to keep their chat history when they get a new phone, and they like having a data backup that will sync their chats across multiple devices. And that is why they let people choose whether they want their messages to be encrypted or not. When not turned on, though, chats are stored on Telegram's services, which are scattered throughout the world. But it has "disclosed 0 bytes of user data to third parties, including governments," Telegram states on its website. Despite Telegram's origins, its approach to users' security has privacy advocates worried. On Telegram’s website, it says that Pavel Durov “supports Telegram financially and ideologically while Nikolai (Duvov)’s input is technological.” Currently, the Telegram team is based in Dubai, having moved around from Berlin, London and Singapore after departing Russia. Meanwhile, the company which owns Telegram is registered in the British Virgin Islands.
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