名校
解题方法
1 . 已知非空集合
,
.
(1)若
,求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55201a71f63e95aef66df1ca9e21551a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44fbb02d5a584747b4a8287c6c24e0d1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-06-10更新
|
327次组卷
|
4卷引用:甘肃省陇南市第一中学2023-2024学年高一上学期期末考试数学试题
解题方法
2 . 已知集合
,
.
(1)若
,求
;
(2)求实数
的取值范围,使
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe8b80f6cc286de2f89a89227a139cec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fbb98832b8ab50dc4bcbc327a086a5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354ba538d9b1102e66f631729eecbafd.png)
您最近一年使用:0次
解题方法
3 . 已知集合
.
(1)求
;
(2)若对任意的
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f7fc9632a7d50a5c07143114bdfe41.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ae18508906c21d3e1199f231b1a9a4.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/012a5ba1ab28c0276ce3269daf254c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-03-13更新
|
371次组卷
|
4卷引用:辽宁省名校联盟2023-2024学年高一下学期3月联合考试数学试题
辽宁省名校联盟2023-2024学年高一下学期3月联合考试数学试题(已下线)第1题 集合关系与运算,转化化归渡难关(已下线)函数-综合测试卷B卷安徽省皖北名校2023-2024学年高一下学期阶段性联考数学试卷
4 . 拓扑学是一个研究图形(或集合)整体结构和性质的一门几何学,以抽象而严谨的语言将几何与集合联系起来,富有直观和逻辑.已知平面
,定义对
,
,其度量(距离)
并称
为一度量平面.设
,
,称平面区域
为以
为心,
为半径的球形邻域.
(1)试用集合语言描述两个球形邻域的交集;
(2)证明:
中的任意两个球形邻域的交集是若干个球形邻域的并集;
(3)一个集合称作“开集”当且仅当其是一个无边界的点集.证明:
的一个子集是开集当且仅当其可被表示为若干个球形邻域的并集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e7cbf6370f2b5c37816278c4d52324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cd50ba95ce394ae2cc7d8953268cad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/528fd55bccdd48b002249e27153164dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e93599300cd0cc2ee3747a0a1a01a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331b36f89fa4fc1a314bd2fb469b6756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f853b9d71837401854312c2a3a2012d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663819fd38d196961788cad4e2e039a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c4e98464e40174ae21e741ae79dea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/678bfef0c3cf7ee6438c64d20ab44617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd934b73981f16a85a9a9d6554ec9791.png)
(1)试用集合语言描述两个球形邻域的交集;
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1985327691201a2fbcbb27689f2015.png)
(3)一个集合称作“开集”当且仅当其是一个无边界的点集.证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1985327691201a2fbcbb27689f2015.png)
您最近一年使用:0次
名校
5 . 已知集合
.
(1)若
,求
;
(2)若“
”是“
”成立的必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55ccc581175c5009f4b7bf61fc3b43a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
6 . 集合
.
(1)当
时,求
;
(2)已知
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9851db89301f21cc7dc3081ddc7ecde1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e69866076dcff686a05e9e91e61e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
7 . 已知集合
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3cdd7b47041cc8bb1aec9e140b1078.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b262d7550393adaf604eda738fa2cb7.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c9888b5d5c5ccae881b6270267b769.png)
您最近一年使用:0次
8 . 已知全集
,集合
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a99038e2a330b32fcd8280e563e5eae.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61410f474533fe21cfe5354b747a5de9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 已知不等式
的解集为A,非空集合
.
(1)求集合A;
(2)当
时,求
;
(3)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6324e1204d475e0450d59229c66a7ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1116a5b3e063c475ce5d94c372f5937f.png)
(1)求集合A;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
您最近一年使用:0次
2024-02-05更新
|
320次组卷
|
3卷引用:北京市顺义区2023-2024学年高一上学期期末质量监测数学试卷
解题方法
10 . 设集合
,
.
(1)若
时,求
;
(2)若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1af82d7e99db8e52d7264c8d2643e7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a0615c1d74e908138641562ea2584f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次