1 . 给出关于满足
是
的真子集的非空集合A、B的四个命题:
①若任取
,则
是必然现象; ②若任取
,则
是不可能现象;
③若任取
,则
是随机现象; ④若任取
,则
是必然现象.
其中正确的命题有_________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
①若任取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7848c89302a41e9576530313fc3e61b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
③若任取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/653bcf7b627c3b87fcb310732313d9b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7848c89302a41e9576530313fc3e61b8.png)
其中正确的命题有
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2 . 设
,若
,求所有满足条件的集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b3de2e96b353d7a37c184be3b06de8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb0e41a3f620cbe8e8732a8bc162cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2021-03-25更新
|
67次组卷
|
2卷引用:沪教版(2020) 必修第二册 同步跟踪练习 第9章 复数 9.1.2 第2课时 复数的乘除法
解题方法
3 . 已知集合
第一象限的角
,
锐角
,
小于90°的角
,给出下列四个命题;①
;②
;③
;④
.其中正确的命题有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d3d1b006b2efda9c789a7a22c9b8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8e8fbba13c61377df60719099971db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbfc0f7f6006d73ffc559cbf2b4bfe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a228435e01f8045dddbcdd8ee6780d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22882310035db6d3d953e060b0c91733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6ca098b764e0366d043b69ae9d8f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529d619262bdafaf78b6bdb16b2fe30c.png)
A.0个 | B.1个 | C.2个 | D.3个 |
您最近一年使用:0次
4 . 设集合
,则
的子集的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb7368433b3aab331f1f62edbea5ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.3个 | B.4个 | C.8个 | D.16个 |
您最近一年使用:0次
名校
解题方法
5 . 已知全集
,
,
,试判断是否存在集合
,同时满足下列三个条件:
(1)
;
(2)
;
(3)
有2个元素.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9910ab25c3e1c136f275398faa0bbd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ea0aa1f03cb9449e70678d91f0217f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eed2831f2e1670eadc04f8a323f3dc5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388a72c5dd8120ef89c28a4cf489fe5b.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2020-09-05更新
|
123次组卷
|
3卷引用:沪教版(上海) 高一第一学期 新高考辅导与训练 第1章 集合和命题 1.4 集合的运算——补集
沪教版(上海) 高一第一学期 新高考辅导与训练 第1章 集合和命题 1.4 集合的运算——补集(已下线)专题04+1.3.2集合的基本运算-补集、全集、Venn图(重点练)-2020-2021学年高一数学十分钟同步课堂专练(人教A版2019必修第一册)河南省周口市川汇区周口恒大中学2023-2024学年高一上学期10月月考数学试题
19-20高一·上海·课后作业
6 . 满足
的集合
共有_______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238e5e90411af0f4d17e4be31979a7c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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19-20高一·上海·课后作业
7 . 定义A*B={x|x∈A,且x∉B},若A={1,3,4,6},B={2,4,5,6},则A*B的子集个数为__
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19-20高一·上海·课后作业
8 . 用适当的符号填空:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2df1bc516cf59796f7610454440afc4.png)
__
;(2)
____
;
(3)
___
;(4)0___
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2df1bc516cf59796f7610454440afc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f5ade81f6a18281a52c8fe0e77a216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8c86886bc6676052cac478fd18bb54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6535346c47957c14aa0987f66ad25d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6384f14aceeb68c1dad63e95f21343fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe69dd9609d653c1eaafabdf62da7a82.png)
您最近一年使用:0次
19-20高一·上海·课后作业
名校
9 . 满足条件
的集合
的个数是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298385ae5d53312a7d92be9f87c50e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88aa0f9ede82d59b425ae9d6eb54870.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次