2018年10月12日

级数不等式问题

摘要： The following is probably a math contest problem. I have been unable to locate the original source. Suppose that $\{a_i\}$ is a set of positive real n 阅读全文

posted @ 2018-10-12 16:01 Eufisky 阅读(832) 评论(0) 推荐(0) 编辑

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