1 . 已知命题
是方程
的根;
对于任意
,总有
,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1149929cdb3fb6dbefc2cde0ffcd5e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122fa7155f6858a570e8dee2495822a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a0f5690de8297547fdb1c542960a2c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知命题
“若
,则
”,命题
“若
,则
”,则下列命题中为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfca3d66ca2f5786e5e5aa7f4ea73aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bae70138ec1bbd3a3063e3a4f99d6b51.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-05-30更新
|
361次组卷
|
4卷引用:贵州省毕节市赫章县2021-2022学年高二上学期期末教学质量监测数学(文)试题
3 . 已知命题p:若
,则
;命题q:若
,则
;在命题:
;
;
;
中,真命题是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5ad7382fdfa1d592e8fc86c08b92b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca94b8d9d03321c82a513767822652c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02bfbd855c0403debd3b35735b81b288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50e73d5984efcf8dcf6b6b8509c9c47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a25019210edc44d986745318b57799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e2f5a5d9bdd30b4fc3a96e8350ce4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2406d8a85ec39c7572ff4df5b9cf589f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa4af7b5ad7bd2cd41f31d45b2421c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-03-22更新
|
499次组卷
|
2卷引用:【市级联考】贵州省贵阳市普通中学2019届高三第一学期期末监测考试数学试题