1 . 命题“
,
”的否定为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a40db36ac03a6cf61a8c136aabcc5dd.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2 . 已知命题
,
,则
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea245cf64246e1985b44aa12917c703d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb35010a8445f7136d8fedf86234e7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2022-01-16更新
|
118次组卷
|
2卷引用:贵州省黔西南州2021~2022学年高二上学期期中考试数学(文)试题
3 . 命题“
,
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c7a319f1fb9ef4cd6bd9eb5ab0c53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92755ed40510a358dcb77392749fd792.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2021-12-03更新
|
327次组卷
|
3卷引用:贵州省黔西南州赛文高级中学2021-2022学年高二上学期第三次月考数学(理)试题
4 . 设命题
,
,则p的否定为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c235bc3496896f29369899d742ad7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efbb9a9e5b7ac947ce19a785a7f1b841.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2021-12-03更新
|
395次组卷
|
2卷引用:贵州省黔西南州金成实验学校2021-2022学年高一上学期12月月考数学试题
名校
5 . 命题“
”的否定为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d2dbfa4053ee9d18b2eadee0b17c0b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-11-22更新
|
406次组卷
|
3卷引用:贵州省六盘水红桥学校2021-2022学年高一11月第三次月考数学试题
名校
6 . 设命题
:
,
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ff050e8101751af6b5cf052e25c410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
7 . 已知命题p:∃x>0,﹣x2+x>0,则命题p的否定为( )
A.∃x≤0,﹣x2+x>0 | B.∀x≤0,﹣x2+x≤0 |
C.∀x>0,﹣x2+x>0 | D.∀x>0,﹣x2+x≤0 |
您最近一年使用:0次
名校
8 . 命题“
,
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34929d752716ad0006b5015737e026cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d066bd9182271172f940829a734683b1.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2021-10-27更新
|
591次组卷
|
3卷引用:贵州省六盘水红桥学校2021-2022学年高一上学期期中考试数学试题
名校
9 . 命题“
,
”的否定是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f82b60f0d3840ed8cb1946383023e9.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2021-10-24更新
|
392次组卷
|
3卷引用:贵州省黔西南州金成实验学校2021-2022学年高二上学期期中数学(理)试题
名校
10 . 已知命题
:“
,
”的否定是“
,
”;命题
:
,
.下列说法不正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64bd5b0dac2c5208eab0f04f75557f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a38e5a3df541f5f4911cfb23cf891ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7068575610f97e9ef54191dd2670b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8e95d03fb9d1c18c79f947ba629507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b763aa9fa12125f166b4ebfe7edacbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b406ff8e1affe46d3fdd889688755b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-10-15更新
|
812次组卷
|
6卷引用:贵州省贵阳市五校(贵阳民中 贵阳九中 贵州省实验中学 贵阳二中 贵阳八中)2022届高三上学期联合考试(二)数学(理)试题