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(5) 应该是 $\sum_{i=0}^{n}(-1)^i{n \choose i}=[n=0]$ 吧 #3357

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SxyLimit opened this issue Feb 22, 2021 · 2 comments

SxyLimit commented Feb 22, 2021

应该是 $\sum_{i=0}^{n}(-1)^i{n \choose i}=[n=0]$ 吧

Originally posted by @SxyLimit in OI-wiki/gitment#135 (comment)

welcome bot commented Jul 23, 2021

感谢你对 OI Wiki 的关注！记得在 Issue 中表达清楚自己的意思哦～

ksyx transferred this issue from OI-wiki/gitment

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StudyingFather commented Oct 15, 2021

fixed in #3223.

StudyingFather closed this as completed

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