名校
解题方法
1 . 已知不等式组
的解集为A,不等式
的解集为
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38b9678402a1e99f897f18824ea3abd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ddea68a4fc2965ab3604f018f9ddfb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
您最近一年使用:0次
2021-09-24更新
|
251次组卷
|
2卷引用:江苏省南京航空航天大学附属中学2020-2021学年高一上学期10月月考数学试题
2 . 已知方程
的所有解组成的集合
,方程
的所有解组成的集合为
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc992c9e51d4b22232adf6bb5c8055a.png)
(1)求实数
的值;
(2)求集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44f6c11bb95223c4465924efcdfaa5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a35c85b538d670f0d97af530abffb76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc992c9e51d4b22232adf6bb5c8055a.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d523eca6a54d7b01e7b9997735d38b95.png)
(2)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
您最近一年使用:0次
名校
解题方法
3 . 已知点M、N两个非空集合,定义M,N的差集为
且
.
(1)已知
,
,若
,求实数a的取值范围:
(2)若
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
关于x的方程
的解是负数},再定义
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa856cd23a63c00c95611dd6b719be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d76e0475967ebd13497107eb97e46c.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f77245a698928467b31f2342605a546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87bfcba73adfccdd3f260ac3fd4d797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d64270a0a30261a193b16604f5f311.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc2bc57b56ae5ff339fe728a85d1aed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ea17b6bacbfe1fa3f178a582a8e837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4317304c9199cb76e47df8b7800147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b7e0559693014e51d720ec671abe56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5231cb0bfedf2f963c1830adfd74aa.png)
您最近一年使用:0次
2021-10-12更新
|
174次组卷
|
2卷引用:湖北省武汉市洪山高级中学2021-2022学年高一上学期第一次月考数学试题
4 . 已知不等式
的解集为A,不等式
的解集为B.
(1)求
;
(2)若不等式
的解集等于
,求不等式
解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e1bcced697608aa2a6c6afcc181da7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc66c393f29bb657eba18005bc212167.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8023e1902803a7939d2aa32ba9e2d44f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2bf2319dd96fd485db81e17c0eafa80.png)
您最近一年使用:0次