已知集合
,那么满足条件的集合
的个数为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e70de9004d9f1f3382f2b35e2bff45cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
更新时间:2021-10-21 09:26:46
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【推荐2】用列举法表示集合:
=_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7567807fd1a582ae9e3fd9219ee1ff4b.png)
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【推荐3】满足
的集合
的个数为__
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37663a6b4e7d8bb26a3aa685022cbee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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【推荐1】集合
有10个元素,设
的所有非空子集为
,每一个
中所有元素乘积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5010f1283c51f4e38d6b77a38ddebb34.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeaad7780b3a9a428a5091c521ac32d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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【推荐2】已知集合
,满足
,则
.若集合
只有
个子集,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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