1 . 下列四个结论:①
;②
;③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f5e5688b5c7e514ee72597690a7676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d652d6e7c8b664b01225b2e6965008c4.png)
;④
.其中正确结论的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba99c2e0223815eccbd77f4b528a345.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf82d0306f6f5ce7b8aa3c8b4059e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f5e5688b5c7e514ee72597690a7676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d652d6e7c8b664b01225b2e6965008c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c77009ae1d0ce744a1e1ac98e74c88f.png)
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名校
2 . 定义一个集合A的所有子集组成的集合叫做A的幂集,记为
,用
表示有限集A的元素个数,给出下列命题:(1)对于任意集合A,都有
;(2)存在集合A,使得
;(3)若
,则
;(4)若
,则
;(5)若
,则
.其中正确命题的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c58e9d04712c58c5d5263ce2dc57e6db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d155ac82ede43de3a78c0e21ad8b1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2417aa13f40290a76c016d0a98df411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f20b7ef52791fe87e3dda592f0afca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e51811366cdd659eac0091b31570152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1c5ac0da9e3a3d95e22a5231dac356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3b483dda0b49a0c990ea49ebc15b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aab24c041cbcac2e43af858c7d465e2.png)
A.(1)(2)(5) | B.(1)(3)(5) |
C.(1)(4)(5) | D.(2)(3)(4) |
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