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Несколько месяцев назад Tran Quang Hung придумал классную задачу и прислал ее мне, сказав, что Алексей Заславский придумал к ней счетное решение в барицентрических координатах. Я ему в ответ послал относительное геометрическое решение...
Сейчас автор планирует опубликовать ее на аопсе, так что я не вижу препятствий к публикации у себя на канале.
Шалтай-Болтайная ось треугольника ABC отрезает от него треугольник ADE. Докажите, что Шалтай-Ботайная ось ADE параллельна BC.
Несколько месяцев назад Tran Quang Hung придумал классную задачу и прислал ее мне, сказав, что Алексей Заславский придумал к ней счетное решение в барицентрических координатах. Я ему в ответ послал относительное геометрическое решение...
Сейчас автор планирует опубликовать ее на аопсе, так что я не вижу препятствий к публикации у себя на канале.
Шалтай-Болтайная ось треугольника ABC отрезает от него треугольник ADE. Докажите, что Шалтай-Ботайная ось ADE параллельна BC.
Just days after Russia invaded Ukraine, Durov wrote that Telegram was "increasingly becoming a source of unverified information," and he worried about the app being used to "incite ethnic hatred." Telegram was co-founded by Pavel and Nikolai Durov, the brothers who had previously created VKontakte. VK is Russia’s equivalent of Facebook, a social network used for public and private messaging, audio and video sharing as well as online gaming. In January, SimpleWeb reported that VK was Russia’s fourth most-visited website, after Yandex, YouTube and Google’s Russian-language homepage. In 2016, Forbes’ Michael Solomon described Pavel Durov (pictured, below) as the “Mark Zuckerberg of Russia.” This ability to mix the public and the private, as well as the ability to use bots to engage with users has proved to be problematic. In early 2021, a database selling phone numbers pulled from Facebook was selling numbers for $20 per lookup. Similarly, security researchers found a network of deepfake bots on the platform that were generating images of people submitted by users to create non-consensual imagery, some of which involved children. On December 23rd, 2020, Pavel Durov posted to his channel that the company would need to start generating revenue. In early 2021, he added that any advertising on the platform would not use user data for targeting, and that it would be focused on “large one-to-many channels.” He pledged that ads would be “non-intrusive” and that most users would simply not notice any change. "He has to start being more proactive and to find a real solution to this situation, not stay in standby without interfering. It's a very irresponsible position from the owner of Telegram," she said.
from fr
