解题方法
1 . 设集合
,
,那么“
或
”是“
”的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25188b6feb11e1b9b9a99526c86d32ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7843c7dabb6131a642b4674957e5d194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5fb32dded72930d3f8a0fb081eb96a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae203a6425bc1cc630139f823bb79a23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92dba43748af21419cc042803c1d4d5.png)
A.充分条件但非必要条件 |
B.必要条件但非充分条件 |
C.充分必要条件 |
D.非充分条件,也非必要条件 |
您最近一年使用:0次
解题方法
2 . 已知集合
,
,则![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581186813952/STEM/94647e05101342208d89a593ff088919.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581186813952/STEM/22615730a5494644aa25822cb0730995.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581186813952/STEM/ec5f786cf8aa4b9aa7dea823ad39bc4a.png)
![](https://img.xkw.com/dksih/QBM/2016/4/8/1572581181743104/1572581186813952/STEM/94647e05101342208d89a593ff088919.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 若集合
,集合
,则“
”是“
”的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca6fbfaf892faf14f71c282aa8f0933b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010ff589b685884158e1bceda50c3a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8adaad92594cc0e15d78238e6e9ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608cf24a337c4109ffc87bab5c859807.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2016-12-03更新
|
233次组卷
|
3卷引用:2015届福建省宁德市普通高中毕业班第二次质量检查理科数学试卷
解题方法
4 . 设集合A={x|0<x<2},集合
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/336a3f6ac9cd5a30baa5a8110b110ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d259db9bb0e132881e875a77d324057.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec797794738018bfa5fea4d96e17bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d2547c1993f717b4502f6902d674b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次