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题目内容双击单词支持查询和收藏哦～
If password TUKK is re-arranged, what is the probability that the password is re-arranged into the exact same as before?
Give your answer as a fraction.
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· 相关考点
6.3.8 其他特殊排列组合技巧
6.3.8 其他特殊排列组合技巧
以上解析由 考满分老师提供。
