https://hoinori.hatenablog.com/

０除算は不可能という説の怪しさが以下で簡単にわかります。

https://hoinori.hatenablog.com/entry/2021/04/06/132047

https://hoinori.hatenablog.com/entry/2021/04/06/134807

https://hoinori.hatenablog.com/entry/2021/04/06/205258

https://hoinori.hatenablog.com/entry/2021/04/06/221656

https://hoinori.hatenablog.com/entry/2021/04/07/124945