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В неравностороннем треугольнике ABC I – центр вписанной, O – центр описанной окружностей. Прямая λ проходит через точку I перпендикулярно OI. Прямая, симметричная прямой BC относительно λ пересекает AB и AC а точках K и L. Докажите, что центр окружности AKL лежит на прямой OI.
В неравностороннем треугольнике ABC I – центр вписанной, O – центр описанной окружностей. Прямая λ проходит через точку I перпендикулярно OI. Прямая, симметричная прямой BC относительно λ пересекает AB и AC а точках K и L. Докажите, что центр окружности AKL лежит на прямой OI.
Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov. Groups are also not fully encrypted, end-to-end. This includes private groups. Private groups cannot be seen by other Telegram users, but Telegram itself can see the groups and all of the communications that you have in them. All of the same risks and warnings about channels can be applied to groups. "Like the bombing of the maternity ward in Mariupol," he said, "Even before it hits the news, you see the videos on the Telegram channels." Since January 2022, the SC has received a total of 47 complaints and enquiries on illegal investment schemes promoted through Telegram. These fraudulent schemes offer non-existent investment opportunities, promising very attractive and risk-free returns within a short span of time. They commonly offer unrealistic returns of as high as 1,000% within 24 hours or even within a few hours. Investors took profits on Friday while they could ahead of the weekend, explained Tom Essaye, founder of Sevens Report Research. Saturday and Sunday could easily bring unfortunate news on the war front—and traders would rather be able to sell any recent winnings at Friday’s earlier prices than wait for a potentially lower price at Monday’s open.
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