名校
1 . 命题“
,
”的否定是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26dad5dbcb7a4449db6ad742af5150f0.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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2 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df04adaf5d92ed7bd517f99731f80bfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-19更新
|
173次组卷
|
3卷引用:新疆乌鲁木齐市第101中学2023届高三下学期2月月考文科数学试题
3 . 已知下列命题:
①
,
;②
,
;
③
,
;④
,
.
其中真命题是______ .(只填序号)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee09b14494ad377b52cd9ed8e2b6f40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7ec01c5228e1cf9df7c2aab8775f50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40b5bd7473999e426415ab37659273a.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547adc121c442b3bb9189e6df5ee4018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264dab145ceba44696a6ee63b1e1549d.png)
其中真命题是
您最近一年使用:0次
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4 . 命题“
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed7199adf4ec4369acc7e5185251c88.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-11-14更新
|
256次组卷
|
2卷引用:新疆乌鲁木齐市2024届高三高考模拟测试数学试题
名校
5 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c3595495d621e3f86d22f1696e2001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103bfd7971541dc1788107f1745c4280.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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6 . 下列命题为真命题的是( )
A.每一个二次函数的图象都是开口向上 |
B.存在一条直线与两条相交直线都平行 |
C.梯形的对角线相等 |
D.有些菱形是正方形 |
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7 . 下列各式中,正确的是( )
①
②
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43395c6b8703700d8de3c6c8856b69a5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9d94d3893a34e30a2150066b23ff25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72405778bb169470535c98a51dbdb3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f583e3c1cfb1ea89a16a3e8f13bba3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43395c6b8703700d8de3c6c8856b69a5.png)
A.①③ | B.①④ | C.②③ | D.②④ |
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8 . 已知集合
,则集合A的非空真子集的个数为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440de25102b25761198e68686e7a8a91.png)
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解题方法
9 . 设全集为
或
,求:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2e73b55f1369e712e86ab2f6b22854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842ad3e65189c68b5eee102aa8661ba6.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f7f860e8f0503c476eaf0bd73a71810.png)
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解题方法
10 . 设集合
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b078e6bae61d5e8c3292c335a3c7a6ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad96b50521f4bbf3d436d05dc258083d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
A.0 | B.1 | C.2 | D.![]() |
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2023-11-07更新
|
198次组卷
|
2卷引用:新疆乌鲁木齐市实验学校2023-2024学年高一上学期第一次月考数学试题