名校
1 . 下列说法中,正确的序号为___________ .
①命题“
”的否定是“
”;
②已知
,则“
”是“
或
”的充分不必要条件;
③命题“若
,则
”的逆命题为真;
④若
为真命题,则
与
至少有一个为真命题;
①命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca4ca1588eba01b231315b1c7d20a9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bfe039612ffb5d60214d5d6045f4a.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34cfaf8a1aac11be28a46922184c08ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d087912775d73297b3614d3806ab29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc34a2d14b2f914017ae7b2a15ab60e.png)
③命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91bcddc2ece6bcde9355e222e1cf9f56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.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
解题方法
2 . 给出下列命题
(1)命题“
,
”的否定是“
,
”
(2)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b804002ee3d72ff947cfc8426f90047c.png)
(3)已知
,
,若
,则a的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a568a870b0c247e1abaf4bf65b83865.png)
其中正确命题的序号为( )
(1)命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9490565d4714ffcbadb26fdfca443856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9490565d4714ffcbadb26fdfca443856.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b804002ee3d72ff947cfc8426f90047c.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0820285d82c98efc92ee43db58418fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f4cde12869125b1eebc2c6c8ae22cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a568a870b0c247e1abaf4bf65b83865.png)
其中正确命题的序号为( )
A.(2)(3) | B.(2) | C.(1)(3) | D.(1)(2) |
您最近一年使用:0次
名校
解题方法
3 . 给出下列四个结论:
①命题“
,
”的否定是“
,
”;
②已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212381ec0dbd7f351b18b78f2398ab3a.png)
;
③若
,且
,则
;
④函数
的最小值为2.
其中正确结论序号为_________________ .
①命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b267be39f7c364531991c398a8e8fe7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd189f8e2572c0ba9d8a85a1d9bbe43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0c949ecf36cde66db2ab00146f9f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f0d6e7859fe1c7bb920ca8b31f19a59.png)
②已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd27695cdeb63ceba5fefe9443110e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a2ccb66eb414aefc79d784eddf974a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212381ec0dbd7f351b18b78f2398ab3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f86b86a6ccdf2c077d195db7bc380ea.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c38a21483a2dc328d2e0b1d1b62599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ea5d71ca3976bd564386b0607a26c6.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6155cbdc379b3d73414c7d76806fd6ff.png)
其中正确结论序号为
您最近一年使用:0次
20-21高一上·全国·课后作业
名校
4 . 给出下列命题,
①存在
、
,使得
;
②任何实数都有算术平方根;
③某些四边形不存在外接圆;
④
、
,都有
.
其中正确命题的序号为_______ .
①存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddcf4daecd677a52d5f09849c18b63e4.png)
②任何实数都有算术平方根;
③某些四边形不存在外接圆;
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dad48527a47eab4a5916ab0421cc71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b437c89937a7cd619fa4498ae32e46b9.png)
其中正确命题的序号为
您最近一年使用:0次
名校
5 . 以下有关命题的说法错误的命题的序号是_______ .
①若命题p:某班所有男生都爱踢足球,则¬p:某班至少有一个男生爱踢足球;
②已知a,b是实数,那么“
”是
的必要不充分条件;
③若
则
;
④幂函数
在
时为减函数,则
.
①若命题p:某班所有男生都爱踢足球,则¬p:某班至少有一个男生爱踢足球;
②已知a,b是实数,那么“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f1b4d0a135ec14fcd5a0a2983bcebb.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c61cfbfd3bf888856b7dc9b2a84c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116a4f1c8b51d1993e6d7c054e2ed5d7.png)
④幂函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a0f6ec661aa98997c444975990cdbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e82c4003d20b36777f7aea584e3dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
您最近一年使用:0次
6 . 判断正误(正确的填写“正确”,错误的填写“错误”)
(1)全称量词命题是陈述某集合中所有元素都具有某种性质的命题.( )
(2)存在量词命题是陈述某集合中存在一个或部分元素具有某种性质的命题.( )
(3)全称量词命题一定含有全称量词.( )
(4)“有些三角形中三个内角相等”是存在量词命题.( )
(1)全称量词命题是陈述某集合中所有元素都具有某种性质的命题.
(2)存在量词命题是陈述某集合中存在一个或部分元素具有某种性质的命题.
(3)全称量词命题一定含有全称量词.
(4)“有些三角形中三个内角相等”是存在量词命题.
您最近一年使用:0次
7 . 判断正误(正确的打“正确”,错误的打“错误”)
(1)“有些”“某个”“有的”等短语不是存在量词.( )
(2)全称量词的含义是“任意性”,存在量词的含义是“存在性”.( )
(3)全称命题一定含有全称量词,存在量词命题一定含有存在量词.( )
(4)
与
的真假性相反.( )
(1)“有些”“某个”“有的”等短语不是存在量词.
(2)全称量词的含义是“任意性”,存在量词的含义是“存在性”.
(3)全称命题一定含有全称量词,存在量词命题一定含有存在量词.
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2309b2d0889901147d77296fc7415807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a76ff223c49dc30218ac77c2991383.png)
您最近一年使用:0次
8 . 判断正误(正确的填“正确”,错误的填“错误”)
(1)命题
的否定是
.( )
(2)
与
的真假性相反.( )
(3)从存在量词命题的否定看,是对“量词”和“
”同时否定.( )
(4)全称量词命题是陈述某集合中所有元素都具有某种性质的命题.( )
(1)命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe6c7a4b585609179d38055a8e78dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab67c625f0d99fb3663cdd75cb9686e.png)
(3)从存在量词命题的否定看,是对“量词”和“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde66f0ef8ea3ac6d6ac91a93ba69ae5.png)
(4)全称量词命题是陈述某集合中所有元素都具有某种性质的命题.
您最近一年使用:0次
9 . 下列说法中:
①命题“对任意的
,有
”的否定为“存在
,有
”;
②“对于任意的
,总有
(
为常数)”是“函数
在区间
上的最小值为
”的必要不充分条件;
③若
,
,则函数
满足
;
④若
,
,
,则函数
满足
.
所有正确说法的序号______ .(把满足条件的序号全部写在横线上)
①命题“对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6749db809dd84c2cfe5c47bea121e356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a79d7f73b6128650bf7aed538260c72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717e338241e8bb69490fa4c1c1667dc6.png)
②“对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2402277de61291ce71091791a341d4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eace660471b61d7ac55cb51ed555c0e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2054e0dc7153871a51a8753cd5c73735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db10f7b8f7aa0d45a696e15852673326.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da5bf1fbb7d7339058beb960a4c6ae5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4ed15e6afa80e85571fb30aba57f96.png)
所有正确说法的序号
您最近一年使用:0次
名校
10 . 给定下列两种说法:①已知
,命题“若
,则
”的否命题是“若
,则
”,②“
,使
”的否定是“
,使
”,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0e9d1ad9561d693958756ee8398218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a57e060f61f7efa54982bda67db483a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f9a67d0c6387f646e9041cc37ef63d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1e6ee974755d089ddfa842fb4d4b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84af94191072d9fed1e0576ca0b8e5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c7a319f1fb9ef4cd6bd9eb5ab0c53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2367b48e8f6dbbfe3dd14f6eab8238a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
A.①正确②错误 | B.①错误②正确 | C.①和②都错误 | D.①和②都正确 |
您最近一年使用:0次
2020-04-21更新
|
468次组卷
|
6卷引用:专题07+1.5.1+全称量词与存在量词(基础练)-2020-2021学年高一数学十分钟同步课堂专练(人教A版2019必修第一册)
(已下线)专题07+1.5.1+全称量词与存在量词(基础练)-2020-2021学年高一数学十分钟同步课堂专练(人教A版2019必修第一册)河南省天一大联考2018-2019学年下学期高二年级期末测试理科数学试题河南省天一大联考2018-2019学年下学期高二年级期末测试文科数学试题河南省林州市第一中学2019-2020学年高二6月月考数学(文)试题河南省林州市第一中学2019-2020学年高二6月月考数学(理)试题四川省叙永第一中学校2024届高三上学期一诊数学(理科)试题