解题方法
1 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d1005e2f0faf29184931207a75b050.png)
(1)若
,求
,
;
(2)若
,则实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b459010d71c48140324efc42a22b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d1005e2f0faf29184931207a75b050.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
您最近一年使用:0次
2023-06-18更新
|
562次组卷
|
2卷引用:四川省眉山市丹棱中学校2023-2024学年高一上学期期中数学试题
名校
解题方法
2 . 设全集
,集合
,
.
(1)求
;
(2)若集合
,满足
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46d6388b1c2a8236a040236c7ad1a651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7a80b54f18091ace336e4ea0f7e8eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e710072c9e70f69805d870dd97eb90c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed9279c275a0d1e3967980c29474ad1b.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f420a9e345093171a613dc8a6f1aec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281b7f1f77b4b82e84f906019acca76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-10-28更新
|
341次组卷
|
4卷引用:四川省眉山市仁寿县2023-2024学年高一上学期期中联考数学试题
解题方法
3 . 已知集合
,集合
,集合![](https://img.xkw.com/dksih/QBM/2015/8/19/1572216189452288/1572216195121152/STEM/2484958be7cc4461943eed3a14eefaf4.png)
(1)求
;
(2)若
,求实数
的取值范围;
![](https://img.xkw.com/dksih/QBM/2015/8/19/1572216189452288/1572216195121152/STEM/129578ba99284cedb13f945256a524f5.png)
![](https://img.xkw.com/dksih/QBM/2015/8/19/1572216189452288/1572216195121152/STEM/aaf823ca610e4577b5e731ca938d4d6c.png)
![](https://img.xkw.com/dksih/QBM/2015/8/19/1572216189452288/1572216195121152/STEM/2484958be7cc4461943eed3a14eefaf4.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2015/8/19/1572216189452288/1572216195121152/STEM/10a9c542f57a4746a07e84ec8e87395b.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2015/8/19/1572216189452288/1572216195121152/STEM/66575c3976aa4b92bb05d477de79e0c4.png)
![](https://img.xkw.com/dksih/QBM/2015/8/19/1572216189452288/1572216195121152/STEM/162f01be350f4c0eb3939bce599b4489.png)
您最近一年使用:0次