已知集合
,其中
,则集合
=___________ ;若
,都有x∈A或x∈B,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07c3c1704e3161785ac352cf1d2fa8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c6009ab1bad0e053bc7e11b868cac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
20-21高一上·天津滨海新·期末 查看更多[2]
更新时间:2021-01-21 08:42:42
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【推荐1】已知
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【推荐2】已知集合A={x|x<1,或x>5},B={x|a≤x≤b},且A∪B=R,A∩B={x|5<x≤6},则2a-b=___ .
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【推荐2】数学中经常把集合
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【推荐2】不等式组
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