名校
1 . 有关命题的说法正确的是
A.命题“若![]() ![]() ![]() ![]() |
B.命题“![]() ![]() ![]() |
C.“若![]() ![]() |
D.命题“若![]() ![]() |
您最近一年使用:0次
2017-01-17更新
|
511次组卷
|
5卷引用:江西省上饶中学2019届高三上学期期中考试数学试题4
江西省上饶中学2019届高三上学期期中考试数学试题42017届江西吉安一中高三理周考12.11数学试卷2017届江西吉安一中高三文周考12.11数学试卷(已下线)2018年12月25日 《每日一题》(理数)高考二轮复习-四种命题及充要条件(已下线)2018年12月25日 《每日一题》(文数)高考二轮复习-四种命题及充要条件
2 . 下列有关命题中说法错误的是
A.命题“若![]() ![]() ![]() ![]() |
B.“![]() ![]() |
C.若![]() ![]() ![]() |
D.对于命题![]() ![]() ![]() ![]() ![]() ![]() |
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3 . 已知函数
,给下列三个命题:
若
,则
的最大值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c748e40ba21ac5063d3bccaa57ef278.png)
不等式
的解集为集合
的真子集
当
时,若
恒成立,则
那么,这三个命题中所有的真命题是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2db360fa225d414fb614930b05c460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a617a9b648bfb804eb7ac1cf357f8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0be07495dbc744e1ecabac66f748218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751fb799e713694a0afe83712ac82f34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c748e40ba21ac5063d3bccaa57ef278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f731aa23c326a79f5a97c0b805166272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8e1047cde4191c454d119c95e02676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f014f17c0af5a1b3506bf05fc428ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae3c3c8f3d94894cbd783960ca9c8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102bb2cdc5ffec825d5b4fc089370d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b0f39a3ea986f67cf864d6e0906610.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 .
三个学生参加了一次考试,
的得分均为
分,
的得分均为
分,已知命题
若及格分低于
分,则
都没有及格,在下列四个命题中,为
的逆否命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa86faa9bfef703aead8c2606684dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f64730802070a68d4f854b332a24814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa86faa9bfef703aead8c2606684dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.若及格分不低于![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
5 . 已知函数
,
,给出下列3个命题:
:若
,则
的最大值为16.
:不等式
的解集为集合
的真子集.
:当
时,若
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
,
恒成立,则
.那么,这3个命题中所有的真命题是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d11d85741b2a78c4c8099e93182cbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04feb4c8471abaf404dee60276f37578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0be07495dbc744e1ecabac66f748218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b669deac956c131bb17a1a68027409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6114c9e15216f4646012c22346583c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f014f17c0af5a1b3506bf05fc428ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eda48853e8bdb7e266370b4e0d5a258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eecdd7e6a66d50fc9816e73ab5a8f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2b4b73cd3b267de3aa9ed187601d2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4503967e383ee3557537cd49bc4ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b0f39a3ea986f67cf864d6e0906610.png)
A.![]() ![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() |
您最近一年使用:0次
6 .
,
,
三个学生参加了一次考试,
,
的得分均为70分,
的得分为
分.已知命题
:若及格分低于70分,则
,
,
都没有及格.在下列四个命题中,为
的逆否命题的是
![](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/c5db41a1f31d6baee7c69990811edb9f.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f64730802070a68d4f854b332a24814.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.若及格分不低于70分,则![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
7 . 下列命题中,正确的是 .
A.存在![]() ![]() |
B.“![]() ![]() |
C.若![]() ![]() |
D.若函数![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2016-12-03更新
|
238次组卷
|
4卷引用:2016届江西省临川一中高三上学期期中理科数学试卷
8 . 给出以下四个命题:
①已知命题
;命题
.则命题
是真命题;
②命题“若
,则
有实根”的逆否命题;
③命题“面积相等的三角形全等”的否命题;
④命题“
,则
”的逆命题.
其中正确命题的序号为___________ .(把你认为正确的命题序号都填上)
①已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b4755ea7583e97f1d4758bf9aa7240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd51a797da1fc76a87b5aeba4d79240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
②命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347c62b44fae618a37c145b3b5d1f1db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5707186257494f1fea86066f2778b5.png)
③命题“面积相等的三角形全等”的否命题;
④命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f7906f9faac3a41101e4c3cbd60414.png)
其中正确命题的序号为
您最近一年使用:0次
2012·湖南·一模
9 . 下列说法:
①“
”的否定是“
”;
②函数
的最小正周期是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da688485e094afee3113134529d937d.png)
③命题“函数
处有极值,则
”的否命题是真命题;
④
上的奇函数,
时的解析式是
,则
时的解析式为
其中正确的说法是_____
①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f2fe45ca9e09ee757218c878c88a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e643b6be70a068d38e9808c127ad3da.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d04a3a2f6024189209e70fea1fcd846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da688485e094afee3113134529d937d.png)
③命题“函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2cf88b5e0d039af3b5556aacc76dc67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ddc8d1f97730d4630dc37a3b522fd03.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe165c980dc4cd42fa2e94a0650d9a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6881a170f6ef9ed5c133b95c2f448.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07a64a9f22dc9d9d827bca78a27f66c.png)
您最近一年使用:0次
2016-12-02更新
|
2126次组卷
|
5卷引用:2015届江西省吉安白鹭洲中学高三上学期期中考试文科数学试卷
2015届江西省吉安白鹭洲中学高三上学期期中考试文科数学试卷2015届江西省白鹭洲中学高三上学期期末考试文科数学试卷(已下线)2011—2012学年度湖南省高三下学期二轮复习理科数学综合试卷(已下线)2014年高考数学(文)二轮专题复习与测试选择填空限时训练1练习卷(已下线)2015届河南省八校高三上学期第一次联考理科数学试卷
10-11高三下·江西赣州·期中
10 . 下列结论错误的是( )
A.若“![]() ![]() ![]() ![]() ![]() ![]() |
B.若命题![]() ![]() |
C.幂函数![]() ![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次