已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5001187aec7edfd426f3475a734d22dc.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aaef5bcc69b37b3ab41e5490a25ea76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5001187aec7edfd426f3475a734d22dc.png)
22-23九年级上·广东清远·期中 查看更多[4]
更新时间:2022-12-01 20:17:33
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