vitalik on Nostr: https://i.postimg.cc/3NRwvTs1/43-C33-FF3-0124-438-F-87-C6-D2-FEFEDBBFD3.jpg ...
Published at
2023-02-04 09:36:15Event JSON
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"content": "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\n\nhttps://www.aliyundrive.com/s/8ccMoTfPfQC",
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