名校
解题方法
1 . 定义区间
、
、
、
的长度均为
,其中
.
(1)求不等式
的解集区间的长度;
(2)如果数集
,
都是集合
的子集,那么集合
,
的长度的最小值和最大值分别是多少?
(3)已知不等式组
的解集构成的各区间的长度和等于
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd4d438ae7d4da0e100bb92d622c866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a381cebfeee07ae150cdeff6e7a64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eae51f0310b87cde2e206643e9d25a5.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17a457b3c5b1fb92d5fc93ae41bc08e.png)
(2)如果数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f1316d9c27c24f2c13276b02276e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91da3902297bb8b50bb83d27a108d506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(3)已知不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c4ff1a7228f13e9f261caa60303d3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2022-10-27更新
|
140次组卷
|
3卷引用:江苏省南通市海安市实验中学2022-2023学年高一上学期11月期中数学试题
名校
解题方法
2 . 已知三个不等式:①
;②
;③
;
(1)若不等式①和②的解集分别为集合A与集合B,求
;
(2)若“
”是“
”的充分不必要条件,求m的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f18821e5860e5ac12413a39ce5e6bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/690162f516e4db438c8e6946604bf72e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7b904e5c926685b119394a9f6fc65a.png)
(1)若不等式①和②的解集分别为集合A与集合B,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ee569a8ff677073ef2b7aaac3ce69f.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e949a465a33bcf9e9a3f8b9cde19cc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3527e5db0a80be1d9086a91609077168.png)
您最近一年使用:0次
2022-10-20更新
|
299次组卷
|
2卷引用:江苏省常州高级中学2022-2023学年高一上学期第一次调研检测数学试题
名校
3 . 已知函数
.
(1)当
时,求关于
的不等式
的解集;
(2)若
,
的值域为
,
,
的值域为
,若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae58905da0371dd05a29c4eaee067e40.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c859e30f57138a3ba744579944f66825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72be8aa75ea0206f296c54f2ded8a1b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae58905da0371dd05a29c4eaee067e40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503a002dd51f5338c4bc0e15fb201c3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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
2023-08-09更新
|
1186次组卷
|
3卷引用:江苏省徐州市铜山区2022-2023学年高一上学期期中数学试题
4 . 设函数
,
.
(1)若
,设
的解集为A,求
;
(2)若
对
恒成立,则求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0c71bdc8cf593430f7922f0844b9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51004eb0e13c48fcc1fc9365d44f53ec.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4071dc776c61b5631fb8f49ab01ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada4f65d4a2b81e1e170058b01fbcb46.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff4f47b146dbd4820654affb735fbc7.png)
您最近一年使用:0次
名校
解题方法
5 . 记不等式
的解集为集合A,关于
的不等式
的解集为集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/979426d711e6b4ddcefc44f92d8a9062.png)
(1)当
时,求
和
;
(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/ab320b535af026b2005b8594a45f9797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20686000f5dae196e2c0b2b2a52401e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/979426d711e6b4ddcefc44f92d8a9062.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.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
名校
6 . 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
,集合
,且
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15da5e9c678215ca3fee3ac23ca1241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c900e3b8ace274d51d88b8fdc5fef80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958f9e4fee168a01b814ad896d03e723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7f14bf7f60fe19b509223284455f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
名校
解题方法
7 . 已知
,关于x的不等式y1≤0的解集为M.
(1)当M是空集且方程
有解时,求实数m的取值范围;
(2)设α,β是
的两个正实数根,求
的最小值;
(3)不等式
的解集记为集合P,若{x|-3<x<2}
P,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe5980f55cc5bf61969b426ac10c8c3.png)
(1)当M是空集且方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f588f56270355ba69b0c6936f87c40cb.png)
(2)设α,β是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15286e776ce9f090bb8df23e6e30a3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea38bd3d0a0be263b1e38e644651a80f.png)
(3)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0f9edfcbd2a27686a9e70bb3e2aeaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b980d8446f130dfc405c196109e73ea4.png)
您最近一年使用:0次
名校
解题方法
8 . 下列选项中正确的是( )
A.已知集合![]() ![]() ![]() |
B.若不等式![]() ![]() ![]() |
C.若集合![]() ![]() ![]() |
D.已知集合![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-09-29更新
|
774次组卷
|
2卷引用:江苏省南通市海安市曲塘中学2022-2023学年高一上学期期初考试数学试题
9 . 已知函数
的定义域为集合A,关于x的不等式
的解集为B.
(1)当m=2时,求
;
(2)若x∈A是x∈B的充分条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc0e898b41c8ba35de590bb1092b902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b583b3c420848e9664761dabb0e0bc61.png)
(1)当m=2时,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a964b99d839b459f7f14af1d512edcf4.png)
(2)若x∈A是x∈B的充分条件,求实数m的取值范围.
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名校
解题方法
10 . 已知集合
,不等式
的解集为
.
(1)当
时,求
,
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6053b07cd2f3a4cd87cc0e1568474c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf84e4d9f4a7edc2643fda82bc5e6ffa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
您最近一年使用:0次
2022-11-08更新
|
677次组卷
|
4卷引用:江苏省常州市华罗庚中学2022-2023学年高三上学期10月调研数学试题
江苏省常州市华罗庚中学2022-2023学年高三上学期10月调研数学试题四川省成都市第七中学2022-2023学年高一上学期期中数学试题河北省石家庄市行唐启明中学2022-2023学年高二下学期开学考试数学试题(已下线)期中真题必刷易错60题(26个考点专练)-【满分全攻略】(人教A版2019必修第一册)