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国庆节接力

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v6mm131 Post time 2015-10-1 22:24 |Read mode

求证对于任意实数$\alpha ，\beta $都存在无穷多个正整数$n$满足$sin^2n\alpha +sin^2n\beta <\frac{2π^2}{n}$

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2025-3-6 16:51 GMT+8

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