已知全集
,集合
或
,
.
求:(1)
(2)
(3)
.
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330036379648/1572330041835520/STEM/4c5e1218bee6464da24ae9c9d2b717c4.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330036379648/1572330041835520/STEM/7f4ffd9aba584291ab37ae1492943c58.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330036379648/1572330041835520/STEM/0da598bf0349472b87ddca8e4e8c0491.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330036379648/1572330041835520/STEM/6457c7b1c27f4d71a3a1900f3f6bd16a.png)
求:(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8489e291d540e36c33cd17b037c1e9cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7dc6e05bb70519ad5a92f628f52d475.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330036379648/1572330041835520/STEM/1c3c895568344cf58d8c1ba0db21dddb.png)
更新时间:2016-12-03 20:56:34
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