1 . 已知集合
,则满足条件的集合
的个数是
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124494622720/1573124500463616/STEM/7ad1d483f03b4d3d94660c70677f889e.png?resizew=140)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124494622720/1573124500463616/STEM/f788d59a56b24270b41e5519814ced12.png?resizew=16)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知集合
,且
,则满足条件的集合
的个数是
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124234944512/STEM/a92b588ad4554e239b5213d013512d29.png)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124234944512/STEM/51720bcdccac42f49eb523fdf5cb893c.png)
![](https://img.xkw.com/dksih/QBM/2016/11/4/1573124229095424/1573124234944512/STEM/510bfb2274ef4f128401bb43247df41d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
A.![]() | B.![]() |
C.![]() | D.![]() |
A.![]() | B.![]() |
C.![]() | D.![]() |