解题方法
1 . 已知集合
,
,且
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00cf2e5adf56d2bcd3d9534957769972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af66ca31b3de82af85ad88e1133644e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9087dcf31fb3e3c60c71766407b0a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024·全国·模拟预测
解题方法
2 . 已知集合
,若
,则
的值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1568a97be41c0821f1ed0b74d81c6d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 | B.0 | C.0或1 | D.1或2 |
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3 . 给定整数
,有
个实数元素的集合
,定义其相伴数集
,如果
,则称集合
为一个
元规范数集.(注:
表示数集
中的最小数).对于集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e391e67ba09b2aed5866626e2593dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f292ceb39541a09e4e0895236888b758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f5e363bbded380a6c6e5d51405e5fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e3bd791bb5d0ba45d4a76864892b612.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2024·全国·模拟预测
4 . 复数
的实部与虚部之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c935396a13b2ee50500389861f71bdce.png)
A.2 | B.![]() | C.![]() | D.![]() |
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5 . 对于各数位均不为0的三位数
,若两位数
和
均为完全平方数,则称
具有“
性质”,则具有“
性质”的三位数的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a675d752761f68640cb84085823063bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54cbdd32c22ec3b95b2db156ae28dfd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3e285b9b7c5d56fda67f2545d9eafcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a675d752761f68640cb84085823063bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
6 . 定义集合运算:
,若集合
,
,则集合
中所有元素之和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69541713a669e37fda3813efdde7f17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf0d84ae97fdff1102b68376d392e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9cad0086fcdf91a3f30189c53b4fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e37e656d05244fe3a5769cd1446725.png)
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名校
解题方法
7 . 已知
,
是两个平面,m,n是两条直线,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.如果![]() ![]() ![]() | B.如果![]() ![]() ![]() |
C.如果![]() ![]() ![]() | D.如果![]() ![]() ![]() |
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名校
8 . 若集合
,则一定有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da6ef6eb787621260caaaff9c364a55.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-09更新
|
732次组卷
|
4卷引用:吉林省长春市东北师范大学附属中学2024届高三下学期第五次模拟考试数学试题
吉林省长春市东北师范大学附属中学2024届高三下学期第五次模拟考试数学试题甘肃省兰州市西北师大附中2024届高三第五次诊断考试(三模)数学试题(已下线)【讲-提升版】1.1集合(高三一轮)(已下线)【讲-提升版】1.1集合(高三一轮)1
9 . 已知复数
满足
,则
的模为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff956775e20198ad49cd50d8fc1d5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41042207515dd2e8349c805e6aee400.png)
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