Дадзены два эліпсы, якія маюць агульны цэнтр і абмяжоўваюць роўную плошчу S. Давядзіце, што існуе эліпс, які змяшчае агульную частку гэтых эліпсаў і мае плошчу, меншую за S.
Дадзены два эліпсы, якія маюць агульны цэнтр і абмяжоўваюць роўную плошчу S. Давядзіце, што існуе эліпс, які змяшчае агульную частку гэтых эліпсаў і мае плошчу, меншую за S.
For Oleksandra Tsekhanovska, head of the Hybrid Warfare Analytical Group at the Kyiv-based Ukraine Crisis Media Center, the effects are both near- and far-reaching. WhatsApp, a rival messaging platform, introduced some measures to counter disinformation when Covid-19 was first sweeping the world. But Kliuchnikov, the Ukranian now in France, said he will use Signal or WhatsApp for sensitive conversations, but questions around privacy on Telegram do not give him pause when it comes to sharing information about the war. "The result is on this photo: fiery 'greetings' to the invaders," the Security Service of Ukraine wrote alongside a photo showing several military vehicles among plumes of black smoke. "Russians are really disconnected from the reality of what happening to their country," Andrey said. "So Telegram has become essential for understanding what's going on to the Russian-speaking world."
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