名校
1 . 设定义域均为
的两个函数
,其值域依次为
和
,有下列
个命题:
①“
”是“
对任意
恒成立”的充分非必要条件;
②“
”是“
对任意
恒成立”的必要非充分条件;
③“
”是“
对任意
恒成立”的充分非必要条件;
④“
”是“
对任意
恒成立”的必要非充分条件;
其中正确的命题是___________ (请写出所有正确命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18320524896150a2d5cd223c6eb46182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153f63689551b4f52a4a29ea639966f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9535de0a4b297b24c3a424df1b3ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d095844022a8ed5fefc23b24878d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc1bc250c8a6523a1be394ff48d4a51.png)
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9535de0a4b297b24c3a424df1b3ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d095844022a8ed5fefc23b24878d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc1bc250c8a6523a1be394ff48d4a51.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9535de0a4b297b24c3a424df1b3ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
④“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9535de0a4b297b24c3a424df1b3ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fce924911d5ed93147dfce9e41c2b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
其中正确的命题是
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2020高三·全国·专题练习
2 . 给出下列命题:
①若两个向量相等,则它们的起点相同,终点相同;
②若
,则
或
;
③若A,B,C,D是不共线的四点,且
,则ABCD为平行四边形;
④
的充要条件是
且
;
⑤已知
,
为实数,若
,则
与
共线.
其中真命题的序号是________ .
①若两个向量相等,则它们的起点相同,终点相同;
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e9616e55c8107822a14b0c9be94497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778542d99ab19e2ecc0c7ef75161f133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbed773a45c19a2cc20113b18d727de.png)
③若A,B,C,D是不共线的四点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ccecb2c6965297b0357d42e53503bf.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778542d99ab19e2ecc0c7ef75161f133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e9616e55c8107822a14b0c9be94497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
⑤已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9e299caf477392a959bbfe55f71fbf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
其中真命题的序号是
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19-20高一·全国·课后作业
3 . 如果
、
、
都是实数,那么
,是
:关于
的方程
有一正根和一个负根的_____ 条件.
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054386e45820a10d1c3541a61eaa0cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fa32c1e926f40a0722d106563777ef.png)
您最近一年使用:0次
4 . 下列所给的p,q中,p是q的充要条件的为________ .(填序号)
①若a,b∈R,p:a2+b2=0,q:a=b=0;
②p:|x|>3,q:x2>9.
①若a,b∈R,p:a2+b2=0,q:a=b=0;
②p:|x|>3,q:x2>9.
您最近一年使用:0次
2020-08-11更新
|
343次组卷
|
4卷引用:【新教材精创】2.2+充分条件、必要条件、充要条件+学案-苏教版高中数学必修第一册
【新教材精创】2.2+充分条件、必要条件、充要条件+学案-苏教版高中数学必修第一册【新教材精创】2.2+充分条件、必要条件、充要条件+教学设计-苏教版高中数学必修第一册(已下线)2.2 充分条件、必要条件、充要条件(课堂培优)-2021-2022学年高一数学课后培优练(苏教版2019必修第一册)(已下线)第02节 命题及其关系、充分条件与必要条件(好题帮)-备战2023年高考数学一轮复习考点帮(全国通用)
5 . 定义在
上的函数
满足
是偶函数,
,且“
,
”是“
”的________ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18511652cefcdeb22eada11493bd18f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46db0ee0ae3733ab35cb8316918dc4c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca3ecbbaca8eeb1cfa8f4035f7d5726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6135e709478a63c4b7a686ead065926c.png)
您最近一年使用:0次
2020高三·全国·专题练习
6 . 给出下列说法:
①“若
,则
”的逆命题是假命题;
②“在
中,
是
的充要条件”是真命题;
③“
”是“直线
与直线
互相垂直”的充要条件;
④命题“若
,则
”的否命题为“若
,则
”.
以上说法正确的是________ (填序号).
①“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ab5174edcf796e06fc85e28614432f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd62f741b8897536cf616b5774247f6a.png)
②“在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2905b41405398718abd03d8894cf81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa3638653a94a02420f176d860e294e.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289ce704ab8d876aa9756cf3ae972a2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af716c494fc62f7d7d60ad4aaf6b7e65.png)
④命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da6d82d173ad18cc040e94c925b5ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b051e1329de07b78b173b7980ea8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/629507dcfdeb6866da428c4f45e2b21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6b1fc85c324b4c4defdc8f1012d9ee.png)
以上说法正确的是
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名校
7 . 下列各命题中,
是
的充要条件的是________ .
①
;
是偶函数;
②
;
;
③
或
;
有两个不同的零点;
④
;
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788da667ba8561a419a0bea829d46423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6da0de8835f0b85721eba1c2a894aac.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad4f8652d23d91bc828a4e5b92df254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d6ffaedd9a6a80bb6281388d2f4048.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a0dd6542c55b057dfdc12c3b507f3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f409ce4e6aa8638fe5880009dbb732f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33ac2c15394a9cc3eb2e8970f2684d3.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6558b85562eb8df9abca13505ed582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b36ca43658f30a3677abb237328e4d.png)
您最近一年使用:0次
8 . 下列四个命题:
①函数
的最大值为1;
②已知集合
,则集合A的真子集个数为3;
③若
为锐角三角形,则有
;
④“
”是“函数
在区间
内单调递增”的充分必要条件.
其中正确的命题是______ .(填序号)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11810720c4c2f6dc36a7efd44d4f803.png)
②已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db14211b78f08e2b857f7944f35e05d.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7abf8f79640c51c103343b3e43af2df.png)
④“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0310689f23d8c0f257b6fd3ca9f6769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1fce155963060b2e5b9147a185897cc.png)
其中正确的命题是
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名校
解题方法
9 . “
”是“直线
和直线
平行”的______ 条件.(填“充分不必要”,“必要不充分”,“充分必要”或“既不充分又不必要”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc12f09651ddf5bfd6f527ec691feaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751b8a8e9c6019daf7775ac16a446e15.png)
您最近一年使用:0次
2020-04-25更新
|
537次组卷
|
2卷引用:江苏省苏州市高新区第一中学2018-2019学年高二下学期5月阶段调研理科数学试题
10 . 下列命题:①设A,B为两个集合,则“
”是“
”的充分不必要条件;②
,
;③“
”是“
”的充要条件;④
,代数式
的值都是质数.其中的真命题是________ .(填写序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35eac3ba2858adffcd1f8052cd795269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64713e05157d31d2fb54e3875a1f87a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93c0412463cd2cacd401f61d10e2d4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a252bcc22540b44485125d23e04f93a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f99a78f0c009e143c7fd5465b3d8fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aedd75663c317a11fc7031681114752.png)
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