解题方法
1 . 已知集合
,
,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d78e3eecdf9a2a9dbb594ce7b72a1e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e18306ebf275f54eb946ddb7c38397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 | B.2 | C.1或2 | D.1或![]() |
您最近一年使用:0次
解题方法
2 . 已知集合
.
(1)若
,求
;
(2)若
是
的必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aed37b83949e43e994b315c641db3e6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361048fd1b1a7f3b7230404a04b7155a.png)
(2)若
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-03-03更新
|
142次组卷
|
2卷引用:河南省开封市五校2023-2024学年高一上学期1月期末联考数学试题
解题方法
3 . 在①
;②“
(
是非空集合)”是“
”的充分不必要条件;③
这三个条件中任选一个,补充到本题第(2)问的横线处,求解下列问题.
问题:已知集合
.
(1)当
时,求
和
;
(2)若________,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
问题:已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3345ae38aaf8d751844d7129a1c1305c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c63fa1795c051d76e6f864b690670b5.png)
(2)若________,求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
4 . 已知集合
,
,且
,则实数n的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c969d41a860a02582dd3fce1077d29c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2527bade16e5461e2406353503224b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
A.0 | B.1 | C.0或![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知集合
.
(1)若
,求
;
(2)若“
”是“
”的必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04b0ee653d4eb7340777ab1e8565e12.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若“
![](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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-02-27更新
|
248次组卷
|
2卷引用:河南省名校联盟2023-2024学年高一上学期期末数学试题
解题方法
6 . 已知全集为
,
,
.
(1)求
;
(2)若
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e5937cc862f8e515ec62586b118d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4aa8c99c3599d5c3b2e79b92c5fc479.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a65cb3e005748115ba16103d7114209.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42b427839d3db6e7da2721587c945e6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2769ff3e792107a67b688fa946f4405f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
7 . 已知函数
.
(1)求不等式
的解集;
(2)设
,若对
,总
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc1a73a0ecfbe195c22f0e55d320bab.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74bff70b02942f8815dfe06901fd6595.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254ce5177fce7fa88cbcc4219b41e0ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703c71e301b4bdaef96da0c9769adbe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6d1ab7e8a09f5d8ee9586dc760a876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29f5020d133f458912dc3da22b8127d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
8 . 已知集合
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9d9350b40846dc1df21324f2bed33f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46991dd477a9bcf40feb60a1de6e1cc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521c8f3f084af427ec1c464f8b6bed86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
9 . 已知函数
,
.
(1)解不等式
;
(2)若对任意的
,存在
,使得
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896dcd460ed3143bd1e6dd94a960ed19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/672342e1b8d06b252559e107ec1ff720.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea0a2a1ebc67f3f8cf87d6ddc4285168.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f985718530cae9003dd401c044ef3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d8d908773b59dd4e5056341faa2a962.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f3bb43da17137e6c50874a8086df278.png)
您最近一年使用:0次
名校
解题方法
10 . 已知集合
,
,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/659561e798ad2e0d07dbd3869a6d8cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf549585f527a2f0d0b89cf004f59d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.1 | B.![]() | C.1或![]() | D.1或2 |
您最近一年使用:0次
2024-02-05更新
|
241次组卷
|
2卷引用:河南省商丘市2023-2024学年高一上学期期末考试数学试题(B版)