解题方法
1 . 设集合
,
.
(1)若
且
,求实数
的值;
(2)若
是
的子集,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e467802a48f84c301b58ef914ed103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cba2c2600a7a6755e8d8b0d9d8d6cb38.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd039882414ced3cd59d7a4d5ec76f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7dbc702617c765a573961953cc0901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2 . 设集合
,集合
,定义
,则
中元素的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d90ff243b30c5448d90ab17e3d442ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cb9b465e55e77f6ffd89a8bc14f469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733b0583afc6529d6812ef745a4dac5e.png)
A.7 | B.10 | C.25 | D.52 |
您最近一年使用:0次
2020-10-17更新
|
178次组卷
|
2卷引用:安徽省滁州市定远县育才学校2020-2021学年高一上学期第一次月考数学试题
3 . 设全集
,
,
,
.求:
(1)
,
;
(2)
;
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a2294dd3fea76320f360f6c2503544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402c8521b4c81a4cfde12745ecbff274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce88813366dded69ee63fc25d7326fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc49ac0fb742c954727a75d8322bc55d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b109e426e848c161a79366657ca264dc.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f7c1e2ab2b6cb85365fd9accde0de7.png)
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解题方法
4 . 已知
,
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e3360230baf593524c6f087f52edcf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89869fbff820edfd4c27dc7703173edb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d0d79fd0efdb59c9ca65bfae4a0861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e52e9a4dad7bb58b2d45709b635434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f593d63b8e7a09f59996d3d79f83529b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知全集
,集合
,
,则图中的阴影部分表示的集合为( )
![](https://img.xkw.com/dksih/QBM/2020/10/15/2571737108054016/2573198132568064/STEM/d23a9c476ca44370bc85272138e928ca.png?resizew=194)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51acd863eff2bfa04d45de38491c6142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b6ad6b204bda01754a1ea24997767b.png)
![](https://img.xkw.com/dksih/QBM/2020/10/15/2571737108054016/2573198132568064/STEM/d23a9c476ca44370bc85272138e928ca.png?resizew=194)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-10-17更新
|
147次组卷
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3卷引用:安徽省滁州市定远县育才学校2020-2021学年高一上学期第一次月考数学试题
7 . 已知集合
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed0081de4e04574dd0884c4e6077fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0945b9f47f37e913573a970c9c0f66e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bea7913ccde6514f89ce1f792920db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd32b47b7c4747749f53894f1b2e6274.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知全集
,集合
,
,
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0f5b3af61d926dd97fde4b174226fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5878d8abe4d52076448a2f82f6e0f4e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1adca788a3ddd880da32487a33e3a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35a92e9a814404c34afdedd208a860b0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-10-11更新
|
188次组卷
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2卷引用:浙江省温州中学2019-2020学年高二下学期期末数学试题
9 . 已知全集
,
,
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d58af406f3cc34a0d6bb10ec3c4bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6ffd4eb7ef1faaa4ee33700372c051.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
A.(-1,0) | B.[0,1) | C.(0,1) | D.(-1,0] |
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2020-09-27更新
|
228次组卷
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2卷引用:湖北省黄冈中学2020届高三下学期6月第三次模拟考试理科数学试题
名校
解题方法
10 . 已知集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811fcc2f99f83f28eb36e1dc02319cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1832a9944b5f1471b091f261fb76a088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604aa675657a6b086ce1979fc1074c5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-09-22更新
|
561次组卷
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12卷引用:安徽省滁州市定远县育才学校2020-2021学年高三上学期第三次月考数学(理)试题
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