已知集合
,
.
(1)若
,求实数
的值;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe51fd0510546b44e22e1c05a6a604c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673c8d22529e27e8d97d0786d34478df.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
20-21高一上·上海嘉定·阶段练习 查看更多[5]
上海市嘉定区第一中学2020-2021学年高一上学期阶段考试数学试题(已下线)第08讲 数学思想选讲(一)-【提高班精讲课】2021-2022学年高一数学重点专题18讲(沪教版2020必修第一册,上海专用)江西省宜春市上高县第二中学2021-2022学年高一上学期第一次月考数学试题江西省宜春市上高二中2021-2022学年高一上学期第一次月考数学试题(已下线)难关必刷01集合的综合问题(3种题型30题专项训练)-【满分全攻略】(沪教版2020必修第一册)
更新时间:2020-12-04 09:00:19
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解答题-问答题
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适中
(0.65)
解题方法
【推荐1】(1)如果对于任意实数
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(2)已知
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(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529c2807ff95686bbf7606662c9160f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b4db9e15fcd90aa1e45f38bed02e34.png)
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解答题-问答题
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适中
(0.65)
【推荐2】已知集合
.
(1)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdba385d07f1af4d0e66d7118ff0b9cf.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9228b976afe20f6cef8b9c20a6a08f7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca76cc1696ed6c0b0220b0d909cede88.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已知集合
,
.
(1)在①
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,③
这三个条件中选择一个条件,使得
,并求
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(2)已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1460f4f61afeb896636e5a12f734eb1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdaa9cd95f672132b07bde8bd19f7aab.png)
(1)在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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适中
(0.65)
名校
【推荐2】设
,
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或
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30da6e5f89554ce9268e69609aa99b53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f3581938042d2731ae5d88113c326d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b18d49782c83ea51587859d3c2bc216d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf40c131c598a41aa99ea280af6325f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783f43f8aee65bfb01c3971234dd89c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a945a6c4a8108e3e84470c680899bb4.png)
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