What is Nostr?
vitalik
npub189c…xzad
2023-02-04 09:36:15

vitalik on Nostr: https://i.postimg.cc/3NRwvTs1/43-C33-FF3-0124-438-F-87-C6-D2-FEFEDBBFD3.jpg ...

1~12年级奥数教程集合,教程为pdf文档,带详细的题解,文档还是比较清晰的,适合送给学生的新年礼物,感兴趣的可以按需保存,阿里云盘下载

https://www.aliyundrive.com/s/8ccMoTfPfQC
Author Public Key
npub189cy579nrepkyzpsdhf8363jl993atwa4utga5yghfv75zqdladqhtxzad