名校
解题方法
1 . 已知命题“
,使
”是假命题,其实数
的取值为集合A,设不等式
的解集为集合B,若
是
的充分不必要条件,则实数a的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387816ed918570c58d442132e4ebe381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1002c5eeb292444c32850512d34bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b99e0ace222ac859fff9f43f13bf54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
2022-10-27更新
|
193次组卷
|
4卷引用:安徽省安庆市桐城中学2022-2023学年高一上学期第一次月考数学试题
解题方法
2 . 不等式
的解集为____________ ;若“
”是“
”成立的必要不充分条件,则实数m的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91c4d44c1d6fb437be0a779f7997d51d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc37babc817cfdd620a9f9f0aac5785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d08533b23a192f093ad98a1bdb8f144c.png)
您最近一年使用:0次
解题方法
3 . 已知
,一元二次不等式
的解集为
,若“
”是“
”的充分不必要条件,那么实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/508a47708ba19352e1be5f11c04c1620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef789b5277d25db5273bffd2fe8b341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc4c15b1d62420f42732db3b626ce3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a3a95a978c23259caf993285d987b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
您最近一年使用:0次
21-22高一上·浙江·期末
4 . 设命题
,命题
,则命题
的解集
为______ ;若
是
的充分条件,则
的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44a047e214911d271eee6220d264e139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f56c5bd4ed84b8dec0835a571391c347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
5 . 已知关于
的不等式
的解集为
,集合
.若“
”是“
”的充分不必要条件,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9d27eeedf313bf790344786f903b8f4.png)
![](https://img.xkw.com/dksih/QBM/2015/2/10/1571988468047872/1571988473503744/STEM/dcf2478851c041e588782ce832fb26c3.png?resizew=16)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204f3e599dc280ad99298b3a634923f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://img.xkw.com/dksih/QBM/2015/2/10/1571988468047872/1571988473503744/STEM/bd6638d09a9d4ff8a68d02fa32d5d3a2.png?resizew=13)
您最近一年使用:0次