CC20260092

UID: 1824, Registered at 2023-10-5 9:14:19, last login at 2024-2-17 17:58:25, currently offline.

Solved 0 problems, RP: 0 (No. ?)

Bio

家人们，数学根本学不了一点（（为什么同桌觉得简单？？？？？？
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This person is lazy and didn't join any contests or homework.