名校
1 . 设全集
,集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282e995abdf2a7a0be290f9538359968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5db13b0d326e5d1304177f0439c679e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a35cc4f4fd18f6e23987a7ff500f1b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-04更新
|
503次组卷
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3卷引用:湖南省长沙市明德中学2023-2024学年高二下学期5月阶段性考试数学试题
名校
2 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dedc0a0919180f00e041052e3d045a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e0a1dec5888399931e19862d0160ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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3 . 设集合
,现对
的任意一非空子集
,令
表示
中最大数与最小数之和,则所有这样的
的算术平均数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba48d117ee95f5cfa7e46fd7803f4ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6363a3aacd1569dc144cc27ed85ba6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6363a3aacd1569dc144cc27ed85ba6f6.png)
A.501 | B.500 | C.1002 | D.1001 |
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名校
解题方法
4 . 已知集合
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca31d722443aafe63d36132771c753c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b68ddb3ee3e01fae437eb148b1616031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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解题方法
5 . 若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4a7e22716a54bc071d60fb99e66b660.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4517f05182d411c6d068b49bd1d4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-08更新
|
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3卷引用:湖南省长沙市雅礼中学2024届高三下学期模拟(三)数学试题
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6 . 若集合
含有
个元素,则称
为
元集,
的子集中含有
个元素的子集叫做
的
元子集.已知集合
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8efd2f8884ae8c029728ffee11bf3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc03ec3d78487844b44cd273efc9188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb08c3c3a2c1752a0b4b1248da28d203.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
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2024·全国·模拟预测
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解题方法
7 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1279dfbcd2bb11cdd650782bd4683cd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知集合
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbe3e796574057ae408c5ae5f26130f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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2024-04-29更新
|
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4卷引用:湖南省长沙市周南中学2024届高三下学期第三次模拟考试数学试卷
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解题方法
9 . 在
中,角
的对边分别是
,
,
,则“
”是“
是锐角三角形”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd683ddb2d025bca7ff2545c9fc9f4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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2024-04-26更新
|
866次组卷
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3卷引用:湖南省长沙市长郡中学2024届高三下学期模拟(三)数学试题
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解题方法
10 . 已知集合
,
,若
,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e068d7eb21586382fe65592b54abe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa7b8acbc8b0027cbe9e3986ad1d859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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