讚，非常妙。在推廣的意義下，如果把n=1代入，等於原麵積，容易理解。如果把n=0代入，得4倍的原麵積。應該怎樣解釋呢？

來源: 大醬風度於 2024-07-10 02:37:40 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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