若集合
,集合
,且
中有四个元素,则元素和能被
整除的集合
的个数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62b730955c7cf87e01a96ed5801f6b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
更新时间:2022-10-27 19:07:12
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【知识点】 判断集合的子集(真子集)的个数
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