名校
1 . 设命题
若函数
是减函数,则
,命题
若函数
在
上是单调递增,则
.那么下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e40fe95ce52c9c8914daa2374a558e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4381deaafe889259c673f6acd529230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e0400d730672ae2110ff48786dd1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301605e86e5a5e61a65c91cd3dd8b77e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-12-01更新
|
485次组卷
|
3卷引用:河南省开封市五县联考2019-2020学年高二上学期期中数学(理)试题
河南省开封市五县联考2019-2020学年高二上学期期中数学(理)试题河南省林州市第一中学2019-2020学年高二上学期期中数学试题(已下线)考点06 指数与指数函数-备战2022年高考数学一轮复习考点帮(浙江专用)
2019高三·全国·专题练习
2 . 已知命题p:在△ABC中,若sinA=sinB,则A=B;命题q:∀x∈(0,π),
.则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c7690e4f4a05c8bf490b518e02076c.png)
A.p∧q | B.p∨(¬q) | C.(¬p)∧(¬q) | D.(¬p)∨q |
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2019高三·全国·专题练习
3 . 已知命题
方程
有实数根,命题
,
,则
,
,
,
这四个命题中,真命题的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa775d8d41fbf1919d0eaccda983ea35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9395bb671c68b418ec6931cfc8366e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a809d4043d6efd80aca7bbf908834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263a0bd2a2df8df7a8e45b47b278dc51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4956dec8171610439f32c9c246867caf.png)
A.1 | B.2 | C.3 | D.4 |
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4 . 已知命题
若
,则
;命题
若
,则
.在命题①
;②
;③
;④
中,真命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a5abe56c019ac914e1fcde1865a747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34c8b3fcfd986c8ee9f7f67f6fbf6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0674386f0d1fcf53da104626f2da95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89879d3524590fe7d253b6e3086de649.png)
![](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/1e48ebdd742cb5d310c21a384d599bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2e4974421a8728f8e2b0a8b068e47a.png)
A.①③ | B.①④ | C.②③ | D.②④ |
您最近一年使用:0次
名校
5 . 已知命题
的解集为
,命题
是
成立的充要条件.有下列四个结论:①“
且
”为真;②“
且
”为真; ③“
或
”为真; ④ “
或
”为真.其中,正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5154f187389b813cc542fa2152f92c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0b8d43a571e75cd623961b18a379bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0328ebcea14217f7d4fa163896819b95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.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/b1010846eeec6c9da29640f5aa3f8738.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/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
您最近一年使用:0次
名校
6 . 已知函数
给出下列两个命题,
存在
,使得方程
有实数解;
当
时,
,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce5e79025808d40d3e43393a85d2d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89667f834bb7bb5ae85ede3ea480bd1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01976af20d1652c65938fdf0d469c669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99786ee0effcc93e874ea02ca1b85781.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-09-03更新
|
329次组卷
|
6卷引用:【全国百强校】陕西省西安市长安区第一中学2019届高三上学期第二次检测数学(理)试题
【全国百强校】陕西省西安市长安区第一中学2019届高三上学期第二次检测数学(理)试题【全国百强校】陕西省西安市长安区第一中学2019届高三上学期第二次检测数学(文)试题【校级联考】河南省信阳高级中学、商丘一高2018-2019学年高二1月联考数学(文)试题(已下线)专题1.3 简单的逻辑联结词、全称量词与存在量词(练)【理】-《2020年高考一轮复习讲练测》(已下线)专题1.3 简单的逻辑联结词、全称量词与存在量词(练)【文】-2020年高考一轮复习讲练测2020年普通高等学校招生全国统一考试理科数学样卷(十一)
名校
7 . 已知含有量词的两个命题p和q,其中命题p:任何实数的平方都大于零;命题q:二元一次方程2x+y=3有整数解.
(Ⅰ)用符号“∀”与“∃”分别表示命题p和q;
(Ⅱ)判断命题“(¬p)∧q”的真假,并说明理由.
(Ⅰ)用符号“∀”与“∃”分别表示命题p和q;
(Ⅱ)判断命题“(¬p)∧q”的真假,并说明理由.
您最近一年使用:0次
2019高三·江苏·专题练习
8 . 已知命题
,命题
,则在命题
,
,中真命题是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/201bba2f1ef7d3f9fdf79ce8ffdf759a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bdc4722c7e49039dbbf51d3bcdfd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d4a3b84f878e47739275242623d6b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17312706507512c4215edf8b6e8c16d.png)
您最近一年使用:0次
9 . 给出下列命题:
(1)
:15是5的倍数,
:15是3的倍数;
(2)
:对任意
,都有
,
:存在
,使
;
(3)
:存在
,使
,
:对任意
,都有
.
判断由各组命题构成的“
或
”“
且
”“非
”形式的复合命题的真假,并把相应的判断结果(“真”或“假”)填在表格中.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795a7d18305b3d86e9ae65621ff7c181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb9238b81668363dbe59122d6223eac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8a07f439f530a67ec0ff4fbbdd9695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33be9b29c3c22ef7b3f4ea1454d1d07.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8a07f439f530a67ec0ff4fbbdd9695.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d465cba8f0c04cfb4898e45784f92f9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac7b295c78d6b107457739dd1ba336b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b431c83ed7b3829b0adb0baa2c127b2e.png)
题号 | ![]() ![]() | ![]() ![]() | 非![]() |
(1) | |||
(2) | |||
(3) |
判断由各组命题构成的“
![](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/25bdf3e032283a641ae2ab94fdc9bba6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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10 . 已知命题p:函数y=x2-x-1有两个不同的零点,命题q:若
<1,则x>1,那么下列四个命题中为真命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf35027e76f8ea593f82023973d4aba3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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