對，讚成美國退出IMO， lol

來源: trivial 於 2024-03-04 12:47:47 [舊帖] [給我悄悄話] 本文已被閱讀：次

你認識很多競賽娃吧？樓上說的要250cutoff是真的嗎？那個AMO啥時候比？

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