名校
解题方法
1 . 已知命题
,命题
.
(1)若
,则
是
的什么条件?
(2)若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca056b834dbcad30459a214f1fdd3fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d553249b3d3110cfe57bbb00861b3cd2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.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)
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2023-01-05更新
|
479次组卷
|
4卷引用:贵州省黔西南州金成实验学校2023-2024学年高一上学期第一次月考数学试题
名校
2 . 已知集合
.
(1)判断8、9、10是否属于集合A;
(2)已知
,证明:“
”的充分非必要条件是“
”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b528ebb0e57c521e91fa0bad429ca915.png)
(1)判断8、9、10是否属于集合A;
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503a6aba878045f13cf45b1e0fc7be7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc4c15b1d62420f42732db3b626ce3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a3a95a978c23259caf993285d987b3.png)
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2022-10-24更新
|
989次组卷
|
8卷引用:贵州省黔西南州金成实验学校2023-2024学年高一上学期第一次月考数学试题
贵州省黔西南州金成实验学校2023-2024学年高一上学期第一次月考数学试题上海市朱家角中学2022-2023学年高一上学期10月月考数学试题2023年3月河北省普通高中学业水平合格性考试模拟(五)数学试题河南省周口恒大中学2022-2023学年高一下学期2月月考数学试题(已下线)1.4 充分条件与必要条件(5大题型)精讲-【题型分类归纳】(已下线)2.2 充分条件、必要条件、充要条件(5大题型)-【题型分类归纳】(苏教版2019必修第一册)(已下线)1.2 常用逻辑用语-高一数学同步精品课堂(沪教版2020必修第一册)上海市曹杨第二中学2023-2024学年高一上学期第一次月考(10月)数学试题
2021高一·全国·专题练习
3 . 判断下列各题中的条件p是结论q的什么条件.
(1)条件
:
,结论
:
;
(2)条件
:
是
真子集,结论
:
.
(1)条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc7b691f42a099f56801834081ce341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d5f0d374837655cc286d326305da36.png)
(2)条件
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
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名校
4 . 已知集合
,
.
(1)求
;
(2)判断
是
的什么条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80551586bd2f13a9b3ac8186f6a9e0a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810fcf0caa1de2ecd142274b7a9587b2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae1567d8f98fabc1a3948f8602cc5e7.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde2827722685b8a71f9aae2dc4d7484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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5 . 在下列命题中,试判断
是
的什么条件.
(1)p:x2>0,q:x>0;
(2)
:
与
都是奇数;
:
是偶数;
(3)
:一元二次方程
有两个实数根,
:
;
(4)已知△
的三边为
,
:
,
:△
是等边三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(1)p:x2>0,q:x>0;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9878e1f09b3ac8d8e9ec3f30a37a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75807858b7804a1ad2039c41f323a18.png)
(4)已知△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ace74bfb716753490ebe0e740ff5baa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39cd417d54a0e0dee5bfb94bf1f5971f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a90fd86936acdc5109dc84768b0b25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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2021-10-02更新
|
166次组卷
|
2卷引用:贵州省六盘水市第四中学2021-2022学年高一上学期第一次月考数学试题
解题方法
6 . 证明“0≤a≤
”是“函数f(x)=ax2+2(a-1)x+2在区间(-∞,4]上为减函数”的充分不必要条件.
![](https://img.xkw.com/dksih/QBM/2016/1/7/1572423988895744/1572423994974208/STEM/e34d4656b68b433b8596affbe90ba472.png)
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