名校
1 . 已知全集
,设集合
,
求:
(1)
,
;
(2)
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b00c939b65c96576148aae48a9298dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c03713b2f2504d4c6d5a888ad5190bc.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169647549f79e22cce3b0f105177d9ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992560295e63b4319ad0684fa5e3c43a.png)
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名校
2 . 已知集合
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2da5d0143a04408ff96f4555acef539c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8db6b4d2c96e7a821fc4f01c76e715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afabfd5b4885311f8d9a4bcf791b71.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 函数
定义域为_______ .
![](https://img.xkw.com/dksih/QBM/2016/9/20/1573031777263616/1573031783276544/STEM/d89814ba298d459d96e21530b283f8fa.png?resizew=252)
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名校
4 . 已知集合
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8bd633302d5d4ef402b1e41c058546a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec37ff1e8eda033364d36308da03536.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2016-12-03更新
|
257次组卷
|
3卷引用:内蒙古自治区呼和浩特市第一中学2020-2021学年高一上学期期中数学试题
11-12高三下·陕西西安·阶段练习
解题方法
5 . 设函数
,若从区间
内随机选取一个实数
,则所选取的实数
满足
的概率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ae3bd79bd0909ae7912b35c7239a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/726c255e5f5ed80378bcbe5b9913a6ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b712434585fa2a7d307b5891a6a7ce4.png)
A.0.5 | B.0.4 | C.0.3 | D.0.2 |
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6 . 求关于x的不等式的解集:
(1)已知集合
,则求集合P;
(2)设数轴上点A与实数3对应,点B与实数x对应,已知线段AB的中点到原点的距离不大于5,求x的取值范围.
(1)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32cde9476fe8509f06a9de1a303b03bb.png)
(2)设数轴上点A与实数3对应,点B与实数x对应,已知线段AB的中点到原点的距离不大于5,求x的取值范围.
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