1 . 已知集合
,
,则
的子集个数为
![](https://img.xkw.com/dksih/QBM/2016/8/8/1572962663391232/1572962669355008/STEM/2ff31e55414046f38fe33bd240a316c7.png)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1572962663391232/1572962669355008/STEM/707451365e05413cabfd3a06adeb2b54.png)
![](https://img.xkw.com/dksih/QBM/2016/8/8/1572962663391232/1572962669355008/STEM/0f20298f0a6e488abb33c9ccf25ad943.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 有限集合
中元素的个数记作
.已知
,
,
,
,且
,
.若集合
满足
,且
,
,则集合
的个数是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649ecd0b5c9e9cd2bc4e6046516d2fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ed3e7748a5df6ba43d5acd95f68bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b83887f941d6cc1d9cb23119aaa670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f3dc0d581c1fd072b64a1d08761c5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b4a0e6a36a55f3c64af3f773f05f8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f38811ca5b00babdbc9bba74e726f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239febb7e99a49d805bd0742e2859558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c4b9c60fdb001f63be75985dce0615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5d4574f9b730e08c0bca75be8258f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fc023091369cbc56b2d35c0ce5bb83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79831c76fce9364d66b6f368f096398.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c4b9c60fdb001f63be75985dce0615.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
286次组卷
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2卷引用:2015-2016学年吉林省吉林一中高一下开学验收数学试卷