名校
1 . 下列说法错误 的是_____________ .
①.如果命题“
”与命题“
或
”都是真命题,那么命题
一定是真命题.
②.命题
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e6469d7756cfae792bff9d96437bd3.png)
③.命题“若
,则
”的否命题是:“若
,则
”
④.特称命题 “
,使
”是真命题.
①.如果命题“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.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/9aa8a716a31b0f51b70fdf9bdb257909.png)
②.命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36425867352653c49b2e24daa6b80c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43e6469d7756cfae792bff9d96437bd3.png)
③.命题“若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3019b662e5dc2750bb6f9199d3250f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eae9ba258299eb489b490594397e23c.png)
④.特称命题 “
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485a4756c56f1126b9825d5019d544c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f943ef19937b773365bfb6ca912d450.png)
您最近一年使用:0次
2018-10-31更新
|
2734次组卷
|
3卷引用:【全国百强校】西藏自治区拉萨中学2018-2019学年高二上学期第四次月考(期末)数学(文)试题