https://www.academia.edu/s/9bb829b521?source=link

來源: 慕容青草於 2022-08-28 14:31:33 [檔案] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 其實這是簡單的數學常識錯誤，問題是。。。由慕容青草於 2022-08-21 14:39:10

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