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#задача #теория_чисел

Найдите все конечные множества натуральных чисел, у которых не меньше двух элементов, и для любых двух чисел a и b (a > b) множества, число b^2 / (a - b) тоже лежит а множестве.



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#задача #теория_чисел

Найдите все конечные множества натуральных чисел, у которых не меньше двух элементов, и для любых двух чисел a и b (a > b) множества, число b^2 / (a - b) тоже лежит а множестве.

BY JustScience | Олимпиадная Математика


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"We as Ukrainians believe that the truth is on our side, whether it's truth that you're proclaiming about the war and everything else, why would you want to hide it?," he said. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. 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. "We're seeing really dramatic moves, and it's all really tied to Ukraine right now, and in a secondary way, in terms of interest rates," Octavio Marenzi, CEO of Opimas, told Yahoo Finance Live on Thursday. "This war in Ukraine is going to give the Fed the ammunition, the cover that it needs, to not raise interest rates too quickly. And I think Jay Powell is a very tepid sort of inflation fighter and he's not going to do as much as he needs to do to get that under control. And this seems like an excuse to kick the can further down the road still and not do too much too soon." And while money initially moved into stocks in the morning, capital moved out of safe-haven assets. The price of the 10-year Treasury note fell Friday, sending its yield up to 2% from a March closing low of 1.73%.
from cn


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