“當N為無窮大時”，改為當N趨向無窮大時 - N恒為有限值。

來源: 淘金客於 2013-02-28 08:30:08 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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“當N為無窮大時”， 改為當N趨向無窮大時 - N恒為有限值。