摘要: Proof : \(g(m)=\sum\limits_{d|m}f(d) \iff f(m)=\sum\limits_{d|m}\mu(d)g(\frac{m}{d})\) \(\rightarrow\\\sum\limits_{d|m}\mu(d)g(\frac{m}{d})=\sum\limit 阅读全文
posted @ 2020-10-27 16:18 jadelemon 阅读(149) 评论(0) 推荐(0) 编辑