已知集合
,若
,则实数
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aa0e2ef26927f91637791db96945778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2023-09-29 22:23:26
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