1 .
的图像经过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3859dc25fb11e7c6e6cefe56f7ce906.png)
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef469c7b7cb9945b984222381b9c000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3859dc25fb11e7c6e6cefe56f7ce906.png)
您最近一年使用:0次
2 . 若
是全集
的一个非空子集,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4411598e6ff48451beba0dcf3131e460.png)
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4411598e6ff48451beba0dcf3131e460.png)
您最近一年使用:0次
3 . 若
,则
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c52070be4df1028758a246421f93e34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
您最近一年使用:0次