1 . 若集合
,集合
,则集合
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca717c6a55e786238e64f7ebd69b9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd7b5a93b7309b2423a0a70897f24f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5卷引用:贵州省2024届高三上学期入学考试数学试题
贵州省2024届高三上学期入学考试数学试题广东省广州市真光中学2024届高三上学期9月月考数学试题(已下线)1.3集合的基本运算-高一数学同步精品课堂(北师大版2019必修第一册)(已下线)1.3集合的基本运算【第一课】(已下线)1.3集合的基本运算【第一课】1
解题方法
2 . 已知集合
,
,则下图中阴影部分表示的集合为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/10/623e37b2-d724-486a-9f99-c28dd433abe6.png?resizew=161)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4e85c475875fc3c16fc0661299a564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb10c0b57d32b9342968b0f92a842b73.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/10/623e37b2-d724-486a-9f99-c28dd433abe6.png?resizew=161)
A.![]() | B.![]() | C.![]() | D.![]() |
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6卷引用:贵州省毕节市2023届高三诊断性考试(三)数学(理)试题
名校
解题方法
3 . 设集合
,
.
(1)用列举法表示集合
,并指出集合
的子集的个数;
(2)记
,若“
”是“
”的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b191144d6fa47b31cfb62ee993b8cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd45c8ee3da34ab76fed89a62e00792d.png)
(1)用列举法表示集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91d01b4e459e37717e89d8cb8b72347a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3eb5935678e432e6f1f3180bfdb3175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4 . 题文已知全集
,集合
是集合
的恰有两个元素的子集,且满足下列三个条件:①若
,则
;②若
,则
;③若
,则
,则集合![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/9f684604d35341b2bc40360f2cfc2924.png?resizew=28)
__________ .(用列举法表示)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/e2572d3f72c54a2eab3dd3a02d52c622.png?resizew=119)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/3352bd8b928a4ebda6b8b6f671c783bb.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/0eb0245d570645769802e3828d07ea74.png?resizew=17)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/8a4775cbce574e7080b28347e264a4b3.png?resizew=44)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/74cd2dd83d2740a0ba0b716aaa393293.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/dc4b75416f5e451f8f452a2038363251.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/3be40583251640d4af10983cd06b1132.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/2338cab6b2a4414b933378814b5ae161.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/e85610af639b4eeba354bed102ab0e36.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1572053351874560/1572053357715456/STEM/9f684604d35341b2bc40360f2cfc2924.png?resizew=28)
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