名校
1 . 设
,若
,
,则不同的有序集合组
的总数是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77eba8cd7b562a514c52a1bf0d7b2287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2085b18c19e2227fb7aeb9ace97a0558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c8b05968c8836b26541e7c25ea8fed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c199451630db4579cde45f8d316765de.png)
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2021-09-02更新
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3卷引用:上海市南洋模范中学2022-2023学年高一上学期开学考试数学试题