已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604aa675657a6b086ce1979fc1074c5.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9855eb60e537a5287462efd4d565515e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604aa675657a6b086ce1979fc1074c5.png)
19-20高一·浙江杭州·期末 查看更多[2]
更新时间:2020-11-13 11:39:43
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【推荐1】设全集U=
,集合A={1,2},B={2,4},则∁U(A
B)=_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1a66af77cd991a83dc99f97dbff5e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321a57dd129e992d7834e91961987bd1.png)
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