1 . 考虑
的非空子集
,满足
中的元素个数等于
中的最小元素,例如,
就满足此条件. 则这样的子集
共有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477aaa8eb4961a77a717ee664fd021ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765272efc14488ec658fc3302c5e6cc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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名校
2 . 已知集合
,且
,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b455ee5305faa2a2b14239a7ee02fb64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff109d3fadee141f93b199a5a72bc161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7日内更新
|
223次组卷
|
3卷引用:广西南宁市第三十六中学2024届高三下学期适应性训练数学试题
广西南宁市第三十六中学2024届高三下学期适应性训练数学试题河南省郑州市中复教育2023-2024学年高三下学期5月月考数学试卷(已下线)高二数学期末模拟试卷01【好题汇编】-备战2023-2024学年高二数学下学期期末真题分类汇编(北师大版2019选择性必修第二册)
解题方法
3 . 若集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe156c10c39e5214f325ce8a2180858.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a151ad5f40d205d547657e6de56b0c1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe156c10c39e5214f325ce8a2180858.png)
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名校
4 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933347fd4d93628c8a9cb6a540560471.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/273a61f0869406c75be25dab20ec0af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/836147cc2b534de6b691c427643a0493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933347fd4d93628c8a9cb6a540560471.png)
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5 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89013d15ae3533ff21106a4022dbf2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05551b1d4b65f27a932c33ddb1cb6ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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解题方法
6 . 已知集合
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e850b90a525f962caa66d0b3b02218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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名校
7 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80d38e0e77e997e73034d9a067690ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a8e8151bb259cdfe81fc22ac3d97f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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解题方法
8 . 已知集合
,集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f581d68e1efa09bfcb6d827eb8d428d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68446708a5fc91d73a90cb9d36f3782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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9 . 记
表示k个元素的有限集,
表示非空数集E中所有元素的和,若集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33af7985fac2b7c4865d2f799baad783.png)
_____ ,若
,则m的最小值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8fcb5a22de0e05657a3af45a0739e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed7239671dbc4429371f31db3b1efc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a8f8aae48c1483815eff5a6e3fb7b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33af7985fac2b7c4865d2f799baad783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817fc14a3ac8462a34b4b2f3bf07f13d.png)
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2024-05-04更新
|
431次组卷
|
2卷引用:福建省三明市2024届普通高中高三毕业班质量检测数学试题
解题方法
10 . 已知集合
,
,且
有4个子集,则实数
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea68b19da984734d0789a035bf8b5d47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7680ddf232b11cdb97e86039a9a4e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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