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
|
333次组卷
|
4卷引用:青海省海东市第一中学2023-2024学年高一上学期第二次月考数学试题
名校
2 . 已知集合
.
(1)求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9f5a7605121273eb58a207d6b739ba.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/100af7bf3a55e5b4af8e396db1ce3c46.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959f3c514abb15185a429e1b2f1674e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
3 . 已知集合
,
.
(1)当
时,求
;
(2)若
且
,求实数m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af66fa4f4983444148c5fc7255659563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339bcc61ce14eeeff309f8cb32527dbd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0db2c49919467a2e14540f2aabd05cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1e0c4c6cc73b68d8e3fef024dd1d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e353f56a059621103adea74a914244d.png)
您最近一年使用:0次
解题方法
4 . 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
名校
解题方法
5 . 已知
表示不超过
的最大整数,称为高斯取整函数,例如
,方程
的解集为
,不等式
的解集为
.
(1)求
;
(2)已知
,正数
满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa03fc3b5d411aef467c36ed353e1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ba9a93be72192e31aa3ec12726ebfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4a4ffd142ec0bdc748ebe283dc05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ff2912fd8d93b6e692936d95b727c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922a917c34d52e0d4b18536ad4bd02ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
您最近一年使用:0次
6 . 如果集合U存在一组两两不交(两个集合交集为空集时,称为不交)的非空子集
,且满足
,那么称子集组
构成集合U的一个k划分.若集合I中含有4个元素,则集合I的所有划分的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728829771745e9279549cb08e489e657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2709f99579c8ecb9c14c31d8f24a3dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9d48660f696fc51b97c89fa55d6f4c.png)
A.7个 | B.9个 | C.10个 | D.14个 |
您最近一年使用:0次
解题方法
7 . 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
|
374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(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
名校
8 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d431c617bac3e68f42ffa04f9a271e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f1b0858395d2424dc96616173c4b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 记不等式
的解集为
,不等式
的解集为
.
(1)当
时,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19d4c77c35fd938004161c58e7670d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b051e1329de07b78b173b7980ea8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](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/f262205fa7972bdb74ac945fc27a7dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-25更新
|
272次组卷
|
2卷引用:河北省保定市部分学校2023-2024学年高一上学期1月联考数学试题
名校
10 . 设集合
,
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77eeb27a221c0c16a192cee44b5ed27e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0d45290cd197eea95681b83c270539.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-16更新
|
735次组卷
|
4卷引用:江西省宜春市宜丰县宜丰中学2023-2024学年高一上学期1月月考数学试题