名校
解题方法
1 . 已知命题
:不等式
的解集中的整数有且仅有-1,0,1,命题
:集合
,
且
.
(1)求命题
,
都为真命题时的实数
的取值范围;
(2)设命题
,
皆为真时
的取值集合为
,
,若全集
,
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1831f5c2c3244d5fb696d26e47dc00bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c788f74fa52d276d4b4053d7a4920389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034672efdeec11b88f10bd9f23bee67b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
(1)求命题
![](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)
(2)设命题
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98c697bf3d6ea92dabdf3caf384cf39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386f8b626b55b11e7a55ca5fcc440e25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
21-22高一·全国·期中
解题方法
2 . 已知命题“![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
,
”为真命题.
(1)求实数
的取值的集合
;
(2)若
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07fdf7b8cfcf3d6de8706f44d780c0be.png)
成立,记实数
的范围为集合
,若
中只有一个整数,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed98d1b20bf77377c1374a3de92f7a.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b3327105bb233e0d612804550dd35f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07fdf7b8cfcf3d6de8706f44d780c0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137d62e10f2d801736ae733d21721a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
真题
名校
3 . 集合
则实数a的取值
范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b26cb5b5122ddaeb8603f43d1ebb52.png)
范围是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2016-11-30更新
|
2429次组卷
|
18卷引用:河南省驻马店市正阳县高级中学2020-2021学年高三预测数学(理)试题
河南省驻马店市正阳县高级中学2020-2021学年高三预测数学(理)试题沪教版(2020) 必修第一册 领航者 一课一练 第2章 2.2 第6课时 含绝对值不等式的求解2010年高考天津(文科)数学试题(已下线)2011届江西省上高二中高三第一次月考理科数学卷(已下线)2014届人教版高考数学文科二轮专题复习提分训练11练习卷(已下线)2014年高考数学考前复习冲刺穿插滚动练习(六)(已下线)2014届天津市天津一中高三上学期第二次月考文科数学试卷(已下线)2015届湖北省浠水实验高中高三上学期期中考试文科数学试卷2016届黑龙江省齐齐哈尔市实验中学高三上期中理科数学试卷2016届黑龙江省齐齐哈尔市实验中学高三上期中文科数学试卷2017届湖北省沙市中学高三上学期第二次考试理科数学卷陕西省安康市石泉县江南高级中学北师大版高一数学必修一第一章《集合》章节检测题智能测评与辅导[理]-集合的概念与运算四川省棠湖中学2019-2020学年高二上学期开学考试数学(理)试题四川省棠湖中学2019-2020学年高二上学期开学考试数学(文)试题江苏省宿迁市沭阳县2019-2020学年高一上学期期中数学试题贵州省毕节市实验高级中学2020-2021学年高一上学期第一次月考数学试题(已下线)1.1集合-2
名校
解题方法
4 . 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
|
141次组卷
|
3卷引用:上海市进才中学2021-2022学年高一上学期10月月考数学试题
名校
5 . 函数
的图象如图所示,若
的解集记为集合
,关于
的不等式
的解集为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/8f4f85a0-3095-4ec3-ae39-c557b6b17ece.png?resizew=137)
(1)当
时,求
;
(2)若
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12bfbb0af1b3df5d5eb1ac4f79cd087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/8f4f85a0-3095-4ec3-ae39-c557b6b17ece.png?resizew=137)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d08fe9a26cb7f41cb6092be2eb422aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-09-22更新
|
238次组卷
|
2卷引用:江西省靖安中学2020-2021学年高一上学期第一次月考数学试题
名校
解题方法
6 . 下列命题正确的是( )
A.若不等式![]() ![]() ![]() |
B.集合![]() ![]() ![]() ![]() ![]() ![]() |
C.已知集合![]() ![]() ![]() ![]() |
D.设集合![]() ![]() ![]() |
您最近一年使用:0次
名校
7 . 已知集合
,
.
(1)若
,求实数
的取值;
(2)当
,且
时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0d80bc1dc4fb9c04d25368bc8dab88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a739d9d29191fa9d1efb4618751e1b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.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
2021-10-16更新
|
981次组卷
|
8卷引用:河南省驻马店市西平县高级中学2021-2022学年高一上学期10月月考数学试题
名校
8 . 已知命题
:
,命题
:
.
(1)当
时,命题
对应的
的范围记为集合
,命题
对应的
的范围记为集合
,求
.
(2)若
是
的充分条件,求实数
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9921de84514e9b4f77068eb1911ca0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad6adceba6bb9bb4847d51cbf493e0f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7a1d739890a8951586e23b78b035bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afabfd5b4885311f8d9a4bcf791b71.png)
(2)若
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-12-29更新
|
174次组卷
|
2卷引用:内蒙古霍林郭勒市第一中学2021-2022学年高二上学期期中考试数学(文科)试题
名校
9 . 已知集合A={x|-2<x≤5},
.
(1)若A∪B=A,求实数m的取值范围;
(2)当x∈R时,若A∩B=
,求实数m的政值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6a2f46ec6423e92c421ee4ab52b306.png)
(1)若A∪B=A,求实数m的取值范围;
(2)当x∈R时,若A∩B=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
您最近一年使用:0次
2021-10-28更新
|
384次组卷
|
2卷引用:江苏省南京航空航天大学附属高级中学2021-2022学年高一上学期10月月考数学试题
名校
解题方法
10 . 已知集合
,集合
.
(1)若
,且
,求实数
的取值范围.
(2)
,若
是
的必要条件,判断实数
是否存在,若存在求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b9bbadca089864380fa8e01f2b7c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/520addc95afc2437b9deabfd4d6890c4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42db30f5de26c53508855b646ee99adf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a298da2caface845712ac94be22f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1adb5337fb06db841295aec53ce66444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a479511a50da604b2fc7398617db8387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次