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Разминка дня №62.

O_a, O_b, O_c - симметрии центра описанной окружности треугольника ABC относительно BC, AC, AB соответственно. Треугольник ABC стерли. Восстановите его по O_aO_bO_c



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Разминка дня №62.

O_a, O_b, O_c - симметрии центра описанной окружности треугольника ABC относительно BC, AC, AB соответственно. Треугольник ABC стерли. Восстановите его по O_aO_bO_c

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Since its launch in 2013, Telegram has grown from a simple messaging app to a broadcast network. Its user base isn’t as vast as WhatsApp’s, and its broadcast platform is a fraction the size of Twitter, but it’s nonetheless showing its use. While Telegram has been embroiled in controversy for much of its life, it has become a vital source of communication during the invasion of Ukraine. But, if all of this is new to you, let us explain, dear friends, what on Earth a Telegram is meant to be, and why you should, or should not, need to care. Individual messages can be fully encrypted. But the user has to turn on that function. It's not automatic, as it is on Signal and WhatsApp. 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. For tech stocks, “the main thing is yields,” Essaye said. 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."
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