解题方法
1 . 集合
,集合
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2880cd25d708878a7abd0b62d37cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4810af4ebf19fecc397524c94cb44b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7f5dce5bee70f7ba6bdebc10a841d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddb65cbadbb74e02593bcb3d5dd860d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
您最近一年使用:0次
解题方法
3 . 已知全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c14b2d2ca4108e0957488e933bd4ad.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b452f3b6082c4f6f70370eaa3ebc555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba6d2bcb572bb99ea1a8d1edd68c3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c14b2d2ca4108e0957488e933bd4ad.png)
您最近一年使用:0次
4 . 设全集
,
,
,用列举法表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddeb3bbfb8cb88c0b1965b7ceceb3a29.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84edcc374f7c9528292a66a1b35641ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb1aca774c04bd0599d77a1c0c9b43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddeb3bbfb8cb88c0b1965b7ceceb3a29.png)
您最近一年使用:0次
5 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab526773bccac4842a58c9f29d163c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da361ec3115d374c68866e71d14311c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
您最近一年使用:0次
6 . 设命题
:方程
有两个不相等的正根;命题
:方程
无实根.若
与
中有且只有一个是真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ea5c1de4b41af90aa3c1d51144fa57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436d16e39334520bef4d3cffffc26cd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
7 . 已知命题
,命题
,且
是
的充分非必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f84af5edbf0e84496f47224c486ba7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cc17931e92244edfe830dce75d7d394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
2023-01-31更新
|
469次组卷
|
2卷引用:沪教版(2020) 一轮复习 堂堂清 第一单元 1.3 充分条件与必要条件
8 . 已知
为全集,
、
均为
的非空子集,有下列四个命题:
①
;②
;③
;④
.
其中,与命题
等价的命题有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e146e222505f9166f30b595150e27c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c408d812ff6ed28bb6217b8b37c947a9.png)
其中,与命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
您最近一年使用:0次
9 . 对于三个集合
、
、
,命题“若
,
,则
”是______ 命题.(填“真”或“假”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c819bc47ea7766610b36cf63ed896ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521c8f3f084af427ec1c464f8b6bed86.png)
您最近一年使用:0次
10 . 对于实数
、
,命题“若
,则
或
”是______ 命题.(填“真”或“假”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca42301f789282952f4f8f2433c17076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d09b9fc9719ff6faf32254b9d48713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed6f12ee54d72aebccd5a0444fdec8d.png)
您最近一年使用:0次