以前我們老師給我們很難的左邊等於右邊的推理，我一定要推出來為止。有一次寫了幾十步終於推出來了。

來源: 不常冒泡於 2025-07-22 21:54:55 [舊帖] [給我悄悄話] 本文已被閱讀：次

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