解题方法
1 . 已知集合
,集合
.
(1)若
,求
;
(2)若______,求实数
的取值范围.
在以下两个条件中任选一个补充在第(2)问中,并给出解答.
①“
”是“
”的充分不必要条件;②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/894df263e3fb1bad02faccf0f974f2db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd04827f41c8f61217e5763c686b4d27.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b0cbfbb7f9547c3bdcc8356d456935.png)
(2)若______,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
在以下两个条件中任选一个补充在第(2)问中,并给出解答.
①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
您最近一年使用:0次
名校
解题方法
2 . 已知全集
,集合
,
,
(1)求
,
;
(2)求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2834cfe52277194f5a96ddfa1a4d0657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e962a2045338d73b281e91e1acabb9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a427e428f4e2bed83753c4b1460068bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daaf1d712c919e9903208c8b7efe7c39.png)
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2023-11-23更新
|
618次组卷
|
2卷引用:广东省深圳市桃源居中澳实验学校2023-2024学年高一上学期期末数学试题
名校
解题方法
3 . 已知全集
,集合
.
(1)当
时,求
;
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83fdada7884adfa85d70ff6b8bf642bc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1effe079f09633c05c5b97a0b1705422.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
4 . 已知非空集合
,
.
(1)若
,求
;
(2)若“
”是“
”的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f5fc9084b21b586c95ce4bde810776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cba858575fff817ce6861031d3dade4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182738e8b0915e50c3a87054ec6eba8c.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42f08f548d6b0614f2ad7b0c1047933.png)
您最近一年使用:0次
2023-11-20更新
|
282次组卷
|
3卷引用:广东省汕头市金山中学2023-2024学年高一上学期期末考试数学试题
23-24高一上·湖南·期中
5 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e862f3f5557cf30db810e000a03747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76524d0be3374b3b940214f618875a18.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ef6c409928c14a92d304bea6a6f290.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91719b9fd3cdc9d816949371e343b32e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-11-16更新
|
270次组卷
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5卷引用:云南省曲靖市沾益区第一中学2023-2024学年高一下学期开学考试数学试题
云南省曲靖市沾益区第一中学2023-2024学年高一下学期开学考试数学试题(已下线)湖南省三湘名校教育联盟2023-2024学年高一上学期11月期中联考数学试题山西省长治市部分学校2023-2024学年高一上学期11月质量检测数学试题黑龙江省绥化市绥棱县第一中学2023-2024学年高一上学期12月月考数学试题青海省海东市民和回族土族自治县城西高级中学2023-2024学年高一上学期12月月考数学试卷
名校
解题方法
6 . 已知集合
,集合
.
(1)求
和
;
(2)设
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ccd2df603e4891227d95ab2dd3a23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0be591959cd74cadb09ed8fd8f0ab7a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392ca85f9708ec2ec1f4573616f7dded.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6aafb4ed606a50e77c74a64960ab29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2069befbd6550251dfea7d2fcd71af5.png)
您最近一年使用:0次
名校
7 . 设全集
,集合
,
.
![](https://img.xkw.com/dksih/QBM/2023/11/8/3363691322146816/3365047422787584/STEM/3040919fcd394526baab61ff4e4e30df.png?resizew=123)
(1)求图中阴影部分表示的集合;
(2)已知集合
,是否存在实数
使得
,若存在,求
的取值范围.若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9671481b6846d7aa2e854ada3f49cc44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e32801abfa180e5ed0e4daebd817cad.png)
![](https://img.xkw.com/dksih/QBM/2023/11/8/3363691322146816/3365047422787584/STEM/3040919fcd394526baab61ff4e4e30df.png?resizew=123)
(1)求图中阴影部分表示的集合;
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967aee28df2fcecd00220cd83da3be92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f77766125647226b8c1cb30fa628d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
8 . 已知集合
,
.
(1)当
时,求
;
(2)命题p:
,命题q:
,若p是q的必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a6cc4bb1dfc9d4f4fe2b2c8b54e9a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe6219245082be33ea0dba8d3094d08.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcf06d2dcbae6ec8144803a1f071c9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)命题p:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2023-11-09更新
|
401次组卷
|
2卷引用:河北省衡水市廊坊第十五中学2023-2024学年高一上学期期末数学试题
名校
解题方法
9 . 对非空整数集合M及
,定义
,对于非空整数集合A,B,定义
.
(1)设
,请直接写出集合
;
(2)设
,
,求出非空整数集合B的元素个数的最小值;
(3)对三个非空整数集合A,B,C,若
且
,求
所有可能取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef96396caccbf2f959e9d233f060317.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff97e9f30e667709fc602b8dcc7523e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ef9a7e4979cb5c0e8f4ff92af351dc.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679a7e0835c8200dc4975baf3e89d058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048b9f7e0aa69227773cb9d9b7bb6244.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2463f83ca63b14937787c99fcd1958d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e79b6edfd5f5bb3866599fcb2aa6f3.png)
(3)对三个非空整数集合A,B,C,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fcff4bcf7a1e6652774a5aee4519c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72944e6acd452acaa213f6ae23ae9a2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a6e825795c828f8281e93607d0e1b1.png)
您最近一年使用:0次
2023-11-05更新
|
1340次组卷
|
4卷引用:2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题变式题16-19
(已下线)2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题变式题16-19(已下线)专题1 集合新定义题(九省联考第19题模式)讲江苏省徐州市沛县第二中学2024届高三下学期期初测试数学试题北京市清华大学附属中学2023-2024学年高一上学期期中考试数学试题
名校
解题方法
10 . 已知全集
,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22791e113b69c68489da3287b6f903fb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9daf98127a1703a226e89d3c83e7f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次