解题方法
1 . 若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cedb12a251019de3487cb0e0607c6c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30580b525b61cfa8f5c8abd7997f9269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-12-14更新
|
234次组卷
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2卷引用:海南省三亚市崖州区崖城中学2021-2022学年高一上学期期中考试数学试题
2 . 设全集
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facda81b401b43d23b73116fdd4540bc.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/198c81f24af676079655bc38a7041579.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e001e9ffe8285e09973a0fb517caf86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424e5266dbc10af609ed55a48a3475ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facda81b401b43d23b73116fdd4540bc.png)
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名校
3 . 设集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b408ae0fd81d52e2055346f2b26acf65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2021-12-11更新
|
1041次组卷
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6卷引用:海南省海口市琼山区海南中学2023-2024学年高一上学期1月期末数学试题
名校
解题方法
4 . 设全集
,
或
,
或
都是
的子集,则图中阴影部分所表示的集合是( )
![](https://img.xkw.com/dksih/QBM/2021/11/26/2859726284906496/2861242350157824/STEM/7545bc5264c54dd09ab551750e613167.png?resizew=149)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b086542af468734572ccbeff15a545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24ccc3f413354db4c82d30248be36aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630a73e80bfabfb82c9522079011bb21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13b45f9a6b99fb03e19eb133cc19ec2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://img.xkw.com/dksih/QBM/2021/11/26/2859726284906496/2861242350157824/STEM/7545bc5264c54dd09ab551750e613167.png?resizew=149)
A.![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() |
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2卷引用:海南热带海洋学院附属中学2021-2022学年高一上学期第二次测试数学试题
名校
解题方法
5 . 已知集合
,
,
.
(1)求集合
;
(2)设集合
,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/79f4882411e8b94ab725fabb808ae80f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb0e9d772df2892bb66cc7138391b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/402f6800233ef353db3c93b91f8858e1.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ac9083024461d92aca5abdbcd7b794.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a524c05954eb12d0943f90603c64af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca06304795e9c2c1fd0b4a52eb8d5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
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697次组卷
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8卷引用:海南省海口市秀英区部分校2022-2023学年高一上学期9月份检测数学试题
6 . 已知
是实数集,
,
,则阴影部分表示的集合是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe384030fea9d8d02661afa7c9f6601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c74e4ad35823f0ed4556eaacc792ee.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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|
270次组卷
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6卷引用:海南省海口市海口中学2021-2022学年高一上学期期中考试数学试题
海南省海口市海口中学2021-2022学年高一上学期期中考试数学试题广东华侨中学2022-2023学年高一上学期10月月考数学试题河北省邯郸市魏县第三中学2021-2022学年高一上学期第一次月考数学试题(已下线)三轮冲刺卷06-【赢在高考·黄金20卷】备战2022年高考数学模拟卷(新高考专用)福建省尤溪第一中学2021~2022学年高二下学期数学期末模拟卷(三)试题湖南省岳阳市汨罗市第一中学2023-2024学年高二下学期5月月考数学试题
7 . 下列说法正确的个数是( )
①已知
,则
.
②
的最小值为
.
③若a>b,且
,则ab>0
④
,
.
①已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa70cba471ba57de69c962db483173f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/017c525461c8c7ebfbca4040f818f661.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d1fb0517eceb3cf3bbf1e849a98b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
③若a>b,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb54b1b3617ebc502cb44194cbcd1dc.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd725c4cb9be29bbce65001c3d9cbe2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1848530df568ebaca3e54fd2bf5002c8.png)
A.1 | B.2 | C.3 | D.4 |
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8 . 已知集合
,
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea6cd440724a3059db805bc5238389e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2014b15c8370510f7c30c30fcd7951fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a56eb864b1a684c36d58ac8f9e3ea24.png)
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9 . 已知
,
,
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc89b54dca8e885bd86c52446ec676c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8ae7ad8e2e14bc6b41e2c1de13771f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/205cd7a23e971fa9adea5d303a4e3ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc5fac2251889f3f793537e01c824d3.png)
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10 . 已知集合
,
,求:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424a9f2e78cd53443a15b11ff1f8c18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea019b0bd63c908172fe0c422cdaacd.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
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