1 . 判断正误(正确的打“ 正确”,错误的打“ 错误”)
(1)
,
,
.( )
(2)若
,则
.( )
(3)若
,则
或
,二者必居其一.( )
(4)集合
可能成立.( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86ce6a27fba0d3dd408cda9ea3f04f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d01497d24da642df2e7b107b610ff21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dfd35183617b8d659a74101420aa310.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d668dcafd840848827736f1b83b067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b209386eac3bf9eacec0c0514ef0497.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63919cff4d3b194aade6e2b8f9fcac7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde2827722685b8a71f9aae2dc4d7484.png)
(4)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a986e6afe28d205a596939fbbe189.png)
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2 . 判断正误(正确的填“正确”,错误的填“错误”)
(1)数集问题的全集一定是R.( )
(2)集合
C与
C相等.( )
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057decf81b04956ac9e7afd87a54789b.png)
A
.( )
(4)一个集合的补集中一定含有元素.( )
(1)数集问题的全集一定是R.
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f260824c0803725cc2bb8b1c67f4aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17d98be6d1efcd06821772ec763f6cc.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/057decf81b04956ac9e7afd87a54789b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3baa908edd8c2dfb907487a91df896d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9896492c750340e4bb83ca1003769806.png)
(4)一个集合的补集中一定含有元素.
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