名校
解题方法
1 . 已知命题
:
,使得
,若
是真命题,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb562af502e665a339456398580e876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1c8028039cfb9f1ee1cfcca0938441.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-11-18更新
|
265次组卷
|
2卷引用:河北省邯郸市八校联考2023-2024学年高一上学期期中考试数学试题
名校
解题方法
2 . 已知集合
,
.
(1)若
,求
;
(2)若
,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/967a8cd760ee1dbc18fdcf05440b6f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9be3888555c5e8793e12a6a8bbe2f27.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1196cabb09094c19177086f4ffae7d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14cc89a89dffef4ddb11c294fbdfe723.png)
您最近一年使用:0次
2023-11-18更新
|
69次组卷
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2卷引用:河北省邯郸市八校联考2023-2024学年高一上学期期中考试数学试题
名校
3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b016f43b9bb34e87e53e7464a8e1e412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd865dcc3636b598ff4bbe277b6e624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
4 . 在
上定义运算:
.已知
时,存在
使不等式
成立,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905fe87aff6cf61c92e5431e04404b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6343069217cd6d8dd32446da428dae46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2123a49de3107ed5967b9ecc528b2df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知集合
,集合
.
(1)若集合
中不等式的解集为
,求
的数值;
(2)“
”是“
”的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2cc46f8153a9cfb1e251fe61d7eac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cece4e4d5dc6e4410c5a7a02ae8a806.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3432701dcc6000f25c5ea3a7937f2e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)“
![](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)
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2023-11-17更新
|
172次组卷
|
2卷引用:河北省石家庄市鹿泉区第一中学2023-2024学年高一上学期期中数学试题
名校
6 . 解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db9d14f02a26968de22fd3c0bf1efa59.png)
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解题方法
7 . 若不等式
对一切实数
都成立,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92bb69bda90df3963887f8958e911ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-16更新
|
371次组卷
|
2卷引用:河北省承德市双滦区实验中学2023-2024学年高一上学期期中数学试题
名校
8 . 已知不等式
.
(1)若
,解不等式
.
(2)当
时,求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0ed65402b4b942f0bba0daf4063717.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0ed65402b4b942f0bba0daf4063717.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0ed65402b4b942f0bba0daf4063717.png)
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2023-11-16更新
|
317次组卷
|
3卷引用:河北省承德市双滦区实验中学2023-2024学年高一上学期期中数学试题
河北省承德市双滦区实验中学2023-2024学年高一上学期期中数学试题(已下线)高一上学期期末复习【第二章 一元二次函数、方程和不等式】(基础篇)-举一反三系列(四川省雅安市名山区第三中学2023-2024学年高一12月月考数学试题
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9 . 若关于
的不等式
的解集为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4753f4a4456d0df13843b71015bfa14.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fac90b93c6507ed4e3ed42fe8e66331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaaf5e74e2d937193bbe7a1465e898b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4753f4a4456d0df13843b71015bfa14.png)
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2023-11-15更新
|
144次组卷
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2卷引用:河北省沧衡八校联盟2023-2024学年高一上学期期中数学试题
名校
10 . 设
:
;
:
.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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9c9d0c415dcb9b57dee0f0341ae6dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa41c0ac46f1ed839f53cd341e839d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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