已知集合
,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1c7975c30b46abff2ed2a41bcf9ba36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05c1c0dc356c1fb4189089984f71ee3f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-02-24 22:35:35
|
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐1】已知集合
,
,
.
(1)若
是
的充分不必要条件,求实数m的取值范围;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/871c3f32d0c1e3c24f2a7f4528cc6225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaa19ccdc98f357f86529d6f0deb973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9dccb0f3cdcca85ed41ca903d5b9d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8723f62855096c7012bd3f724167e0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐2】设集合
,
.
(1)若
,
,求
;
(2)若
,求
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307d63725fb0f67fa656b6bc98390ebf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc41e8b6964b6341e40c4f340f42343.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282e995abdf2a7a0be290f9538359968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/831b46193f6f52b79311e33db5f9a291.png)
(2)若
![](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
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】设A={x|x≥1或x≤﹣3},B={x|﹣4<x<0}求:
(2)A∩B,A∪B
(2)A∪(∁RB)
(2)A∩B,A∪B
(2)A∪(∁RB)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】已知函数
,记不等式
的解集为
,记函数
的定义域为集合
.
(1)求集合
和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)求
和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6f16607318146248faca545257eb79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74dbd58b21a94cf93f4623c07452b102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c92366bd6fb5be36ec4882098a1892.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661078cbceb331be526ab538ebe7aa20.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】在①
,②
这两个条件中选择一个,补充到下面的问题中,并求解该问题.
已知集合
,
.
(1)当
时,求
;
(2)若___________,求实数
的取值范围.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a2e90f59dd9b5784a0a7720a522c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/395ef57137a18e68c04accf92fe4e926.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若___________,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】已知集合
,
.
(1)若
,求实数
的取值范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77f213974d1cb8bea6bced4bca4b552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058df5786ce89b1f9029c025a326289e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f4da673db0eeed560441d97828f42c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
【推荐1】解不等式:(1)
;(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efb38b7e1964cc223a6d2a3e59ca9331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf1863d3a05613d4a33b4e7cb8d7ba6e.png)
您最近一年使用:0次