名校
1 . 集合
中有3个元素,集合
中有7个元素,则集合
的子集个数最多为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83ae18508906c21d3e1199f231b1a9a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.16 | B.32 | C.64 | D.128 |
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2023-11-15更新
|
119次组卷
|
3卷引用:福建省泉州市安溪县2023-2024学年高一上学期11月期中考试数学试题
名校
2 . 对于
两个集合,满足
.且
中元素个数不属于
中元素个数不属于
.求满足题意的不同的
的个数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa47a838e70e3c6a5ae063e198b0d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
3 . 已知集合
,
,则集合
的元素个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933f3e5afa0b4c1771a72c0f65be2b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50b1cb2465f11f5fd5534f1a55d5646f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.6 | B.7 | C.8 | D.5 |
您最近一年使用:0次
4 . 已知集合
,
,则
中元素的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345e55adfbb34d05dbd7074fe953c56a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d658b5e18dc04fefeb2cafa63b6bd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-09-04更新
|
511次组卷
|
3卷引用:云南省保山市2019-2020学年高二下学期期末(理科)数学试题
名校
5 . 已知集合
,
,则
中元素的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0909fa0f431bc86359aa26db4e1a66f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e4792a399b1b8a09541d704d53b158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81919684bc4047d376c7e57dc6c8f1c.png)
A.0 | B.1 | C.2 | D.3 |
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2021-09-04更新
|
390次组卷
|
2卷引用:云南民族中学2022届高三高考适应性月考卷(一)数学(文)试题
6 . 已知集合
,
,则
中元素的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246926220869334b7117a2c1b97fc8a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9cbeeafc8d65626f4a399da2a787fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.1 | B.2 | C.3 | D.4 |
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解题方法
7 . 若集合
,
,则
的元素个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c8f3638e2cb37e11fe5035b83c3558.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607cc2d3bc0f157ebcc48041800892a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dbee6559c6cb3eb38549ba1b66a528.png)
A.3 | B.2 | C.5 | D.4 |
您最近一年使用:0次
8 . 已知集合
,
,则
的元素个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fc56a6cb5e7c4ee9dabe37a1355951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a80d7773cc765e127bdfb2122888504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
2021-01-27更新
|
384次组卷
|
3卷引用:云南省昆明市2021届高三上学期”三诊一模“摸底诊断测试数学(文)试题
名校
9 . 已知集合
,
,则
中的元素个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e23e4cc04f308ead3899f474a48cdcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72561727c80407742ed4e950ec2b1c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.5 | B.4 | C.3 | D.2 |
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10 . 设集合A={(x,y)|x2+y2=1},B={(x,y)|x+y=1},则A∩B中元素的个数是( )
A.0 | B.1 | C.2 | D.3 |
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