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Re:这题比较特殊,可以通过行的和或者列的和来判断在哪一列,太妙了。

Posted by zck921031 at 2013-10-02 23:40:20 on Problem 3213
In Reply To:Re:这题比较特殊,可以通过行的和或者列的和来判断在哪一列,太妙了。 Posted by:zck921031 at 2013-10-02 23:36:31
> 这是有一定概率出错的。。
额,由于题目的特殊条件,右乘一个单位向量是可以确定的,没有错误的概率。。。

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