名校
1 . 已知命题
,不等式
恒成立,命题
方程
表示焦点在
轴上的椭圆.
(1)若
,
为假命题,求
的取值范围;
(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/382baf90e3bd2b2ae91f6bf95123edf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd1047f77d6af4f3958b98aa52418f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3167a2d27bd110504c0f7602f932456b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6777065ed14d76944be5cb45d9e2c76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2020-12-11更新
|
164次组卷
|
2卷引用:甘肃省兰州市第一中学2020-2021学年高二上学期期末考试数学(理)试题
名校
2 . 命题
,
,命题
,使得
成立.
(1)若
为真,
为假,求实数
的取值范围.
(2)已知
,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/2a133fa8172d41c70c25d623f3dddd15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4510aefa5be5ab1e8990a696fbe04400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6589acdbaf1f6e7bc92054fb8f608d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695cc1aa4f0734b5d7bca1d3f0dcaef4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243d7a41117351bfa38d5f1f43be4f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2020-12-11更新
|
1025次组卷
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6卷引用:江西省南昌县莲塘第一中学2020-2021学年高二上学期期末数学(文)试题
名校
3 . 命题“
”为真命题的一个充分不必要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad6966a0cadf05c4251c29588d7dfdd3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-12-11更新
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7卷引用:河北省雄县第二高级中学2020-2021学年高一上学期期末(六)数学试题
名校
4 . 设命题
实数
满足
;命题
实数
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee9e050f059fe9664141388b37b0196.png)
(1)若
,
,
都是真命题,求实数
的取值范围;
(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/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f203b2c64a1f61b77b3f5c9d7ba8077b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee9e050f059fe9664141388b37b0196.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.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/81dea63b8ce3e51adf66cf7b9982a248.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/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-12-10更新
|
678次组卷
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3卷引用:江西省赣县第三中学2020-2021学年高二上学期期末复习理科数学试题
名校
5 . 已知条件
:
﹔条件
:
,若
是
的充分不必要条件,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea0e83bd46e5348bbc66d0d4ee26990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8cad0c47f6d2f710a76021b672f86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-12-05更新
|
587次组卷
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3卷引用:宁夏平罗中学2020-2021学年高二上学期期末考试数学(理)试题
名校
6 . 设不等式
的解集为
,关于
的不等式
的解集为
.
(1)求集合
;
(2)条件
:
,条件
:
,
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efee2a63641d00a36ed01442b834ff34.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/fc7e48dd3bc72004e6549a51c3d98ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.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)
您最近一年使用:0次
2020-11-30更新
|
428次组卷
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7卷引用:山东省日照市2020-2021学年高二下学期期末校际联合数学试题
名校
7 . 已知集合
,
.
(1)若
,求
;
(2)若
,设命题
:
,命题
:
.已知
是
的充分不必要条件,求实数
的取值围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c77f213974d1cb8bea6bced4bca4b552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0e1803e4d588edcb04309543eb8f96.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93f24face0db72ce26ae8539d93773d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.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)
您最近一年使用:0次
2020-11-29更新
|
242次组卷
|
7卷引用:陕西省渭南市大荔县2020-2021学年高二上学期期末数学(文)试题
8 . 已知命题
;命题
,且
是
的充分不必要条件,则
的取值范围( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b023f60845893e7a0388e52ccff9822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a39463a8260de5c695ee4c444177dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-11-27更新
|
691次组卷
|
3卷引用:江西省鹰潭市2020-2021学年高二上学期期末数学(理)试题
江西省鹰潭市2020-2021学年高二上学期期末数学(理)试题内蒙古呼和浩特市第十六中学2020-2021学年高二上学期期中考试数学(理)试题(已下线)练习1+集合与常用逻辑用语-2020-2021学年【补习教材·寒假作业】高一数学(人教A版2019)
解题方法
9 . 已知
,
.
(1)若
,求
;
(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/803bb752967df4de9aeb247a8edc0e25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c284ad69a7c0cc41bda8dad5028301a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-11-25更新
|
159次组卷
|
2卷引用:陕西省渭南中学2020-2021学年高二上学期期末理科数学试题
名校
10 . 已知集合
,
.
(1)当
时,求
,
;
(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/bfef1d0e06e85a4bcc94ebc35be504e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a1e40162c949ec17770d0b24de417c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ae18508906c21d3e1199f231b1a9a4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca06304795e9c2c1fd0b4a52eb8d5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-11-20更新
|
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9卷引用:广东省揭阳市揭东县2020-2021学年高一上学期期末数学试题
广东省揭阳市揭东县2020-2021学年高一上学期期末数学试题山东省济南市2019-2020学年高一上学期期末数学试题(已下线)专题7 1.6 充分条件、必要条件 - 2021-2022高一上学期数学新教材配套提升训练(人教B版2019必修第一册)北京市通州区运河中学2021-2022学年高一10月诊断数学试题安徽省蚌埠市怀远第二中学2021-2022学年高一上学期期中数学试题(已下线)集合与常用逻辑用语(综合测试卷)-2020-2021高中数学新教材配套提升训练(人教A版必修第一册)(已下线)专题1.2+常用逻辑用语(B卷提升篇)-2020-2021学年高一数学必修第一册同步单元AB卷(新教材人教B版)江苏省苏州大学附属中学2020-2021学年高一上学期10月月考数学试题河北省石家庄四十二中国际班2020-2021学年高一上学期第一次月考数学试题