若集合
,
,则
=________ ,
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a32c338186e88c947fd6cb6bc43dff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57d671c55e8109f898aa62ab498f6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f50c0ac698356e377edf39c105aa0e3.png)
20-21高一·全国·课后作业 查看更多[2]
(已下线)第01章 集合(A卷基础卷)-2020-2021学年高一数学必修第一册同步单元AB卷(新教材苏教版)(已下线)第1章 集合(A卷-基础卷)-2021-2022学年高一数学同步单元AB卷(苏教版2019必修第一册)【学科网名师堂】
更新时间:2021-04-21 16:15:35
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填空题-单空题
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解题方法
【推荐1】已知集合
,集合
或
,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd61034a2fe0fa3966019f8d7ecf6e1.png)
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容易
(0.94)
【推荐2】集合
{x|x是有理数},
{x|x是无理数} 则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
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【推荐2】若全集
,函数
的值域为集合
,则
________
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【推荐1】设命题
:对任意
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恒成立.若
为真命题,则实数
的取值范围是___________ .
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