1 . 命题“”的否定是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-11-24更新
|
85次组卷
|
3卷引用:江苏省宿迁青华中学2022-2023学年高一上学期第一次月考数学试卷B
江苏省宿迁青华中学2022-2023学年高一上学期第一次月考数学试卷B(已下线)第07讲 全称量词与存在量词6种常见题型 -【同步题型讲义】(人教A版2019必修第一册)浙江省绍兴市诸暨中学暨阳分校2023-2024学年高一上学期期中数学试题
解题方法
2 . 在①
﹔②“
”是“
”的充分不必要条件;③
这三个条件中任选一个,补充到本题第(2)问的横线处,求解下列问题.
问题:已知集合
,
(1)当
时,求
;
(2)若_______,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](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/dea9a4259cca10c1f5af28e621ebafd6.png)
问题:已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707f203a1f5b1953140434f71da8745b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若_______,求实数a的取值范围.
您最近一年使用:0次
2023-11-06更新
|
59次组卷
|
2卷引用:江苏省宿迁青华中学2022-2023学年高一上学期第一次月考数学试卷B
2023高一·江苏·专题练习
3 . 若
,则下列不等式中,正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b691c3b789f43451497aee76eaaab3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
4 . 设集合
是实数集
的子集,如果点
满足:对任意
,都存在
,使得
,称
为集合
的聚点,则在下列集合中,以0为聚点的集合有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070054c0b4182ab7399ed56925844e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd9b15b5cdf1c131ebf7cf2776cf7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cda2c2f61ea05fc8c8441fb3840e634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 若“
”是“
”的充分不必要条件,则实数
的取值范围为_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a551a88ac426439803f564a3bbee04a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3fab5970b37f3cdcc72caaa35b603b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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6 . 给出四个条件:
①
; ②
;③
; ④
.
其中能成为
的充分条件的有( )
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ece3ec7e18481e0ba5d3054edac5bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a96d5fe8e2a8404e53ac181f66aad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8073266cfa99b04190473d16b615a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc539c71b72aff71e7c8e31e74969d1.png)
其中能成为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b21208364124b5c477b2ff8df1c2e8f.png)
A.① | B.② | C.③ | D.④ |
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解题方法
7 . 已知集合
,若
,求实数
的值及
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d57e59414813d05aedf82168ca083cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585d93b60d6451e76b882ffa0345dd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
您最近一年使用:0次
8 . 已知
,则
,
满足的关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311c3fabbb7b416d799f0ebe505d2c95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
9 . 计算:
(1)
;
(2)若
,求
值.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee24a859d924b9eaa550bbdb45e8db93.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49bd3940ca55a74d566bfe8625621a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b0b42bb92e0389bb67ee2d22db8390.png)
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10 . 已知关于
的一元二次不等式
的解集为
,且实数
,
满足
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6876ceabedbd4b0a595b6b46b3c9c460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66fbb9184bb3ddac7b613bb9fe1a8a1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040135d64192de075ba0cc9f11ddbc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa33c2bd791339d32821077846605d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd7b0ed91e6f529bf806909bc9003083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次