根据下列条件,分别求
,
.
(1)
,
;
(2)
,
;
(3)
,
;
(4)
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3acee3c3faeb1b3b16ccc6704264c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704986c9e68b9a4fdfa76db660d26440.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3acee3c3faeb1b3b16ccc6704264c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9720fd3e90e0f5dedc985310efea84e4.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3acee3c3faeb1b3b16ccc6704264c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d56e6558ee77ff7a5a6f3df2d0a84f.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3acee3c3faeb1b3b16ccc6704264c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf1e97de471ad174a6e9d4c41dafabc.png)
20-21高一·江苏·课后作业 查看更多[2]
更新时间:2021-10-30 21:10:58
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解答题-问答题
|
容易
(0.94)
【推荐1】若不等式
的解集为A,
的解集为B.
(1)求集合A和B(用区间表示);
(2)求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e18628cb329d3816e8623ee50963ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1592542a47b1aa96b1a4179c136d9d64.png)
(1)求集合A和B(用区间表示);
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
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容易
(0.94)
名校
【推荐1】已知A,B是两个非空集合,定义运算
,且
,
,且
.
(1)若
,
,求
和
;
(2)若
,
,求
和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/813c6fcd625ec84d6068fb1fe9a4d638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bb7c317f907cd7fda5ae49b24f2d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd2944305715f1e6744ca849aa6ae8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575ccb82c1fde57de0d46c184cdfb61d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ccaf946a034215b8c49c12a1aff7790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca54fbd1e17d56aa797e76d3c8e6a140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e460c144f7a2141d2df0308b125f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733b0583afc6529d6812ef745a4dac5e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/156e64f3454643981c397f1394eb4382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1839301d966d69fae4a411bb2287efd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e460c144f7a2141d2df0308b125f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/733b0583afc6529d6812ef745a4dac5e.png)
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(0.94)
真题
【推荐2】设A表示有理数的集合,B表示无理数的集合,即设
{有理数},
{无理数},试写出:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
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