名校
1 . 已知集合
,
,
.则
的子集共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c01efcedbc0425e9596d1ebac3272ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4f8903e3ec12dec60d2af108a7d997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2b14c8663035923163ff40d61e1127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
名校
2 . 设集合
中有
个元素,则集合
的非空真子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.![]() | B.![]() | C.![]() | D.不能确定 |
您最近一年使用:0次
名校
3 . 对集合
的每一个非空子集,定义一个唯一确定的“交替和”,概念如下: 按照递减的次序重新排列该子集,然后从最大的开始,交替减加后面的数所得的结果. 例如:集合
的“交替和”为6-4+2-1=3,集合
的“交替和”为8-3=5,集合{6}的“交替和”为 6,则集合
所有非空子集的“交替和”的和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f694fe40ffa3b99e5097b311744b98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c3c7fbd65289e43c9a40b4cecd4dd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e41e9c0546454ea0e8abf887cf1f46d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 给出以下命题:
(1)
,
;(2)
,
;(3)有些自然数是偶数;
(4)
,
;(5)
是
的充分不必要条件;
(6)符合条件
集合
有4个;
其中真命题的个数为( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee09b14494ad377b52cd9ed8e2b6f40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8034dddd265a186e29172623e3b9eadf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c461d76fce244455f2a06b866f8ba500.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ef6ac3a5f1358143e94eb31f6687d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ada1ccce7a29845fe2f77cf916f9f5c.png)
(6)符合条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf57fc3f6af905b57688d829d15eb3bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
其中真命题的个数为( )
A.1个 | B.3个 | C.4个 | D.6个 |
您最近一年使用:0次
2022-10-11更新
|
209次组卷
|
2卷引用:北京市首都师范大学附属密云中学2022-2023学年高一上学期10月月考数学试题
名校
5 . 已知集合
,则满足条件
的集合
的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f1868166ee6c15104d3c2727ea5a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c8f13ae50235c1bd0e26aad72a39e20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
2022-10-09更新
|
279次组卷
|
2卷引用:北京市育才学校2022-2023学年高一上学期9月月考数学试题
解题方法
6 . 已知集合
,集合
或
,集合
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6db7770a50ae2d290409e15a95b319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a884b4f8abcd59336c71e5429fa75fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a8f1824ab762a29a8c9fd7a9ae0f23.png)
A.集合![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
您最近一年使用:0次
7 . 设A,B,C是集合
的子集,且满足
,这样的有序组
的总数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5a62d879e6295de93eecaacaff50c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e352f57a3d4079135db8aedd883480d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c199451630db4579cde45f8d316765de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 设
,满足条件集合
的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1677491ba90508b0e815b566447a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a7b4ac1bfa5671cf502f6569fb30d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
9 . 对任何非空有限数集
,我们定义其“绝对交错和”如下:设
,
,其中
,则
的“绝对交错和”为
;当
时,
的“绝对交错和”为
.若数集
,则
的所有非空子集的“绝对交错和”的总和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95526bf7a8da1b4fbfa1d67805fac12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f5f2024c63910786f10e6520a775fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4bd9ff0d9a03b989603938e63f3a961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95d6492ee1c0f35c492cf71938907fa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8d40e257f9c446b8e30fa841b74bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f49fa2986b7bff2bceae51804a9260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 满足
的集合M共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e196372117bbb7eed85a9bfb8ff547f9.png)
A.6个 | B.7个 | C.8个 | D.15个 |
您最近一年使用:0次
2021-10-12更新
|
519次组卷
|
4卷引用:北京师范大学附属中学2021-2022学年高一10月月考数学试题