Разминка дня (простите) №28: Докажите, что в ортоцентрическом тетраэдре (в котором все высоты пересекаются в одной точке) окружности девяти точек граней лежат на одной сфере
Разминка дня (простите) №28: Докажите, что в ортоцентрическом тетраэдре (в котором все высоты пересекаются в одной точке) окружности девяти точек граней лежат на одной сфере
To that end, when files are actively downloading, a new icon now appears in the Search bar that users can tap to view and manage downloads, pause and resume all downloads or just individual items, and select one to increase its priority or view it in a chat. Also in the latest update is the ability for users to create a unique @username from the Settings page, providing others with an easy way to contact them via Search or their t.me/username link without sharing their phone number. 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. Recently, Durav wrote on his Telegram channel that users' right to privacy, in light of the war in Ukraine, is "sacred, now more than ever." Andrey, a Russian entrepreneur living in Brazil who, fearing retaliation, asked that NPR not use his last name, said Telegram has become one of the few places Russians can access independent news about the war.
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