定义一种集合运算:
且
,已知集合
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb82560190a010496e16987487fe367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84896aa73c819cf6d53a1ad29fbce772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04030a5bfadb41af270988d4420ad144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8d8e277ae36f1094cd7af64eb2e728.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1b2d15fa730a7afad94086aa00121f.png)
更新时间:2020-01-30 13:10:15
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相似题推荐
解答题-问答题
|
适中
(0.65)
解题方法
【推荐1】已知集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d746bb618d2c721d31a29a6355f6e94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0455780697b6cdaf1c5f2d2f3ec7e3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ea1b5b0366fe864b92a4112dd5700.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e3c75b4d567d3d8613777a79bf57d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】设全集
,集合
,
.
(1)当
时,求
;
(2)若
,
,且p是q的必要不充分条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebd291e315cf23cff96206ccdab7271.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e417b1c5e6cc086c439bd250f0156a3f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
您最近一年使用:0次