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سوالات چالش ریاضی سه سوال از سه گرایش مختلف ریاضی می باشد که توسط سه نفر از اساتیدبزرگوار این رشته طرح شده است و به نفرات اول تا سوم که در زمان کوتاه تری پاسخ درست را ارسال کنند جوایز اهدا خواهد شد.
سوالات چالش ریاضی سه سوال از سه گرایش مختلف ریاضی می باشد که توسط سه نفر از اساتیدبزرگوار این رشته طرح شده است و به نفرات اول تا سوم که در زمان کوتاه تری پاسخ درست را ارسال کنند جوایز اهدا خواهد شد.
Russians and Ukrainians are both prolific users of Telegram. They rely on the app for channels that act as newsfeeds, group chats (both public and private), and one-to-one communication. Since the Russian invasion of Ukraine, Telegram has remained an important lifeline for both Russians and Ukrainians, as a way of staying aware of the latest news and keeping in touch with loved ones. Again, in contrast to Facebook, Google and Twitter, Telegram's founder Pavel Durov runs his company in relative secrecy from Dubai. But because group chats and the channel features are not end-to-end encrypted, Galperin said user privacy is potentially under threat. Emerson Brooking, a disinformation expert at the Atlantic Council's Digital Forensic Research Lab, said: "Back in the Wild West period of content moderation, like 2014 or 2015, maybe they could have gotten away with it, but it stands in marked contrast with how other companies run themselves today." "There is a significant risk of insider threat or hacking of Telegram systems that could expose all of these chats to the Russian government," said Eva Galperin with the Electronic Frontier Foundation, which has called for Telegram to improve its privacy practices.
from ua
