解题方法
1 . 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
2024·全国·模拟预测
解题方法
2 . 已知全集
,集合
,
.若
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8b87535e7de107a8d5f37a16ea9f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9bdfea4f187fa12829c069685c3d4c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 已知集合
,
.
(1)若
,求实数
的取值范围;
(2)若
,求实数
的取值范围;
(3)若将题干中的集合
改为
,是否有可能使命题
:“
,都有
”为真命题,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4cfb5d93fa28c188aa01a7b920634f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7566e20eeaa2ca570931bacc749b9bb9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若将题干中的集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0297c69a68d6d7d8abd636ca0fdab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd170c506a8ce70f550f5751ae016ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
解题方法
4 . 已知集合
,集合
.
(1)若
,求
;
(2)若
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6519ce97174f15a39b1427e0082603ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6344d7f472888314e83b9bc0c82b75.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.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
5 . 已知集合,
,全集
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.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
名校
6 . 下列说法不正确的是( )
A.已知![]() ![]() ![]() ![]() ![]() |
B.不等式![]() ![]() ![]() |
C.命题![]() ![]() |
D.不等式![]() ![]() ![]() |
您最近一年使用:0次
2024-03-21更新
|
762次组卷
|
3卷引用:江苏省灌云县第一中学2023-2024学年高一上学期期末检测数学试卷2024.01.17
解题方法
7 . 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
8 . 设集合
,集合
或
.
(1)当
时,求
,
;
(2)设命题
,命题
,若p是q的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a171ba4af158d80bf9f3ed1c773bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b8311e545c5b3fc175b26aeaacb7e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487d5996b34c9c5117ac7543be088d15.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)设命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
9 . 已知集合
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf40fbc107ce62d3b8fae433f0c9732.png)
(1)当
时,求
;
(2)若
,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d4f6630dba5ff1450bbe5391119e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf40fbc107ce62d3b8fae433f0c9732.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d19598537de95fa02534b1e9b467d1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
您最近一年使用:0次
2024-03-06更新
|
125次组卷
|
2卷引用:浙江省临平萧山学校2023-2024学年高一上学期期末数学试题
名校
解题方法
10 . 已知函数
分别是定义在
上的奇函数和偶函数,且
.
(1)求函数
的解析式;
(2)设
,对
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067fd5770e2e2d208af78f1d9930abf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2628e2dd7a988cc80530e739c22b2280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a30ada56e5e6d915338770af3fa8e67.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067fd5770e2e2d208af78f1d9930abf3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0920f695fe59f4762384fd7265c39f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82dc1e9754abc990be965887022469fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800de2463135d6a1de3096ca199cfcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-03-06更新
|
481次组卷
|
2卷引用:湖北省武汉市华中师范大学第一附属中学2023-2024学年高一上学期1月期末检测数学试题