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смотрите какая красота (отсюда). Авторства С. Маркелова (исходный текст в материалах тургора мне не найти...)

Параболы похожи на окружности: на картинке нарисованы свойства окружности, вот они же верны для параболы.



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смотрите какая красота (отсюда). Авторства С. Маркелова (исходный текст в материалах тургора мне не найти...)

Параболы похожи на окружности: на картинке нарисованы свойства окружности, вот они же верны для параболы.

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Telegram | DID YOU KNOW?

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Telegram, which does little policing of its content, has also became a hub for Russian propaganda and misinformation. Many pro-Kremlin channels have become popular, alongside accounts of journalists and other independent observers. In addition, Telegram now supports the use of third-party streaming tools like OBS Studio and XSplit to broadcast live video, allowing users to add overlays and multi-screen layouts for a more professional look. Telegram boasts 500 million users, who share information individually and in groups in relative security. But Telegram's use as a one-way broadcast channel — which followers can join but not reply to — means content from inauthentic accounts can easily reach large, captive and eager audiences. After fleeing Russia, the brothers founded Telegram as a way to communicate outside the Kremlin's orbit. They now run it from Dubai, and Pavel Durov says it has more than 500 million monthly active users. Telegram does offer end-to-end encrypted communications through Secret Chats, but this is not the default setting. Standard conversations use the MTProto method, enabling server-client encryption but with them stored on the server for ease-of-access. This makes using Telegram across multiple devices simple, but also means that the regular Telegram chats you’re having with folks are not as secure as you may believe.
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