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Re:疑问：为什么从 9！开始 逐一 - 到 0！ 其中减到 ==0 为止。In Reply To:疑问：为什么从 9！开始 逐一 - 到 0！ 其中减到 ==0 为止。 Posted by:drownever at 2007-02-14 01:08:28 就是把一个数表示成 sigma k(i)*i! i从1到9。 Followed by: Post your reply here: |
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