已知集合
,
.
(1)用区间表示A与B;
(2)若全集
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c063ff3100c3db5a0ab5d9395561742c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4666717e20fd8c7ee30bc89a443d91ad.png)
(1)用区间表示A与B;
(2)若全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3a1c4a70ecbe1a45658047703e6e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/555e0114c5a4605465900d7e165a299e.png)
更新时间:2023-01-30 22:10:55
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