真题
解题方法
1 . 给出下列三个命题:
①若
,则
;
②若正整数m和n满足
,则
;
③设
为圆
上任一点,圆
以
为圆心且半径为1.当
时,圆
与圆
相切.
其中假命题的个数为( )
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b50754012061c1c0635706eb3c565a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9917f07000b4a222dc6bbcf740ccd94.png)
②若正整数m和n满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7870c36161f465fc992534b5fc3777f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a21ff42f552522bb3230267efae9303.png)
③设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0decf6fdcc155d4877529a216e01bfd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf9304d22a3491440034660f115492a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847c925767e089392011f6e94ddb2701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
其中假命题的个数为( )
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2022-11-09更新
|
330次组卷
|
2卷引用:2005年普通高等学校招生考试数学(文)试题(天津卷)