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#геом_разминка

Задача. Чевианы 𝐴𝐴₁, 𝐵𝐵₁, 𝐶𝐶₁ треугольника 𝐴𝐵𝐶 пересекаются внутри него в точке 𝑃. Докажите, что 𝑃𝐴₁/𝐴𝐴₁ + 𝑃𝐵₁/𝐵𝐵₁ + 𝑃𝐶₁/𝐶𝐶₁ = 1.



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#геом_разминка

Задача. Чевианы 𝐴𝐴₁, 𝐵𝐵₁, 𝐶𝐶₁ треугольника 𝐴𝐵𝐶 пересекаются внутри него в точке 𝑃. Докажите, что 𝑃𝐴₁/𝐴𝐴₁ + 𝑃𝐵₁/𝐵𝐵₁ + 𝑃𝐶₁/𝐶𝐶₁ = 1.

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"The inflation fire was already hot and now with war-driven inflation added to the mix, it will grow even hotter, setting off a scramble by the world’s central banks to pull back their stimulus earlier than expected," Chris Rupkey, chief economist at FWDBONDS, wrote in an email. "A spike in inflation rates has preceded economic recessions historically and this time prices have soared to levels that once again pose a threat to growth." 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. Emerson Brooking, a disinformation expert at the Atlantic Council's Digital Forensic Research Lab, said: "Back in the Wild West period of content moderation, like 2014 or 2015, maybe they could have gotten away with it, but it stands in marked contrast with how other companies run themselves today." Pavel Durov, Telegram's CEO, is known as "the Russian Mark Zuckerberg," for co-founding VKontakte, which is Russian for "in touch," a Facebook imitator that became the country's most popular social networking site. In December 2021, Sebi officials had conducted a search and seizure operation at the premises of certain persons carrying out similar manipulative activities through Telegram channels.
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