已知集合
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f26be004d012db092a9a77ae915243.png)
(1)当
时,求
及
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/844a6fbfc7bf8eb312662677c39501af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57f26be004d012db092a9a77ae915243.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0859ba7a79ee594929f6ca865a626b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9795cfcb301e51b2f628ff95d7c85c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ee569a8ff677073ef2b7aaac3ce69f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f776e594404d68252779e9ef6aa1ab.png)
22-23高一上·黑龙江哈尔滨·阶段练习 查看更多[4]
黑龙江省哈尔滨市第三中学校2022-2023学年高一上学期第一次阶段性考试数学试题黑龙江省佳木斯市桦南县第一中学2022-2023学年高一上学期12月月考数学试题陕西省渭南市澄城县2022-2023学年高一下学期期末数学试题(已下线)重难点01集合与常用逻辑用语(9种解题模型与方法)(2)
更新时间:2022-10-24 00:02:26
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解题方法
【推荐1】已知集合
.
(1)
时,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77afcec93d996227d07cd89a2f5479dd.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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2】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)
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】已知集合
,
,
.
(1)求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72462cf7fa8d6cd5f09ef7bf7673b394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fef341cf93831bb87d0c38494fe412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14002093aeec4aed1932860972eac817.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b0cbfbb7f9547c3bdcc8356d456935.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959f3c514abb15185a429e1b2f1674e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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【推荐2】已知集合
,
.求:
(1)
;
(2)若
且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523b18fd25a04521d06d3af8edc7fd30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9bf9d57649b80756a1c4c96800e478.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3921ed4424f9495a62e1ca2b4f620f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3662b24ada314b9bd748f3f6519bf4ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐2】已知集合
,
.
(1)若
,求
;
(2)若“
”是“
”的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c3d201410fffc0bf84cc47f5a562c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78e8ce7d6cf0877a60c823b8522c90f0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次