Unverified Commit f687524a authored by Trisolaris HD's avatar Trisolaris HD Committed by GitHub
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Merge pull request #1424 from hydingsy/patch-4

添加作者 @hydingsy
parents 15220194 aaaea19d
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author: hydingsy

## 简介

莫比乌斯反演是数论中的重要内容。对于一些函数 $f(n)$ ,如果很难直接求出它的值,而容易求出其倍数和或约数和 $g(n)$ ,那么可以通过莫比乌斯反演简化运算,求得 $f(n)$ 的值。