名校
1 . 满足条件
的所有集合
的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc32df726504edccb5a62d4c322a5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.2 | B.3 | C.4 | D.8 |
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2016-12-03更新
|
293次组卷
|
3卷引用:2015-2016学年河北石家庄二中高一上学期期中数学试卷
2011高三·河北·专题练习
2 . 已知
,
,定义集合A、B之间的运算“*”:
则集合
中最大的元素是________ ;集合
的所有子集的个数为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca717c6a55e786238e64f7ebd69b9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6deb420e37b7ca7334fb74ddb899119c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2d3ef6345ae09d86c044085fe0ee23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5231cb0bfedf2f963c1830adfd74aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5231cb0bfedf2f963c1830adfd74aa.png)
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3 . 已知集合
,则
的子集的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd155e18541b71deeb67acb705549b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8811d77692de9f97d964b17abeee3c87.png)
A.2 | B.4 | C.6 | D.8 |
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2017-09-07更新
|
445次组卷
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2卷引用:河北省邢台市内丘中学2018届高三8月月考考试数学(文)试题
11-12高一·浙江台州·阶段练习
名校
4 . 已知
为给定的实数,那么集合
的非空真子集的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9955137d47938b439e1c0781029178d0.png)
A.1 | B.2 | C.4 | D.不确定 |
您最近一年使用:0次
2016-12-02更新
|
632次组卷
|
3卷引用:河北省冀州中学2017-2018学年高一上学期第一次月考数学试题
河北省冀州中学2017-2018学年高一上学期第一次月考数学试题(已下线)2012-2013学年浙江省台州中学高一第一次统练数学试卷北京市衡中清大教育集团2017-2018学年高一上学期第一次月考数学试卷
5 . 已知集合
,
,则集合
的真子集的个数为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4863b95f36a4af59514b7c77e02e30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/680df8bd698d50633c76718e8f58500c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
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6 . 下列叙述正确的有____ (将你认为所有可能出现的情况的代号填入横线上)
①集合
的非空真子集有6个;
②集合
,集合
,若
,则对应关系
是从集合
到集合
的映射;
③函数
的对称中心为
;
④函数
对任意实数
都有
恒成立,则函数
是周期为4的周期函数.
①集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4216159b10fe5eca38c738cb7539fd5.png)
②集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a6e6405e2ecdfca6d442c5dc1c2f86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c680a1749ca2becc4ff99d87f8ea9ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d162a31405180be2bf7cf877540336.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffa8ddcbbe89ab0f250f56673e2d36c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0461ede948254f8c5410a77a150577.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b50cc70f437e77f2186e93535036ab8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
解题方法
7 . 设
,则满足条件的所有
组成的集合的真子集的个数是_______ 个
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4741985da47d1b45e79cc9f7a5294cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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8 . 满足![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462062903296/1572462068350976/STEM/a5b7b32b4b494672996fe1e066016b3c.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462062903296/1572462068350976/STEM/96e48a2a98464cbca60288ed7b7878e3.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462062903296/1572462068350976/STEM/69fbc74212a849229437150ce96aad99.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462062903296/1572462068350976/STEM/96e48a2a98464cbca60288ed7b7878e3.png)
的集合
的个数为
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462062903296/1572462068350976/STEM/a5b7b32b4b494672996fe1e066016b3c.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462062903296/1572462068350976/STEM/96e48a2a98464cbca60288ed7b7878e3.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462062903296/1572462068350976/STEM/69fbc74212a849229437150ce96aad99.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462062903296/1572462068350976/STEM/96e48a2a98464cbca60288ed7b7878e3.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462062903296/1572462068350976/STEM/c8d33a089aba4114a929acee069b7fbe.png)
![](https://img.xkw.com/dksih/QBM/2016/1/22/1572462062903296/1572462068350976/STEM/69fbc74212a849229437150ce96aad99.png)
A.6 | B.7 | C.8 | D.9 |
您最近一年使用:0次
2016-12-03更新
|
355次组卷
|
3卷引用:2015-2016学年河北省枣强中学高一上学期第一次月考数学试卷
9 . 设集合
,集合
,则集合
的真子集个数
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927073792/STEM/f728b6be946e4c64afe495eeaeaffc1a.png)
![](https://img.xkw.com/dksih/QBM/2016/11/20/1573161921454080/1573161927073792/STEM/92c79542b4cd4b2ebe024ca37d17478a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.13 | B.14 |
C.15 | D.16 |
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