若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b750295015069cd7747732fd8eff49b.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171b7cb82d7837dc530f9e0893c02cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0039416bef7a76e050c6cb45b2f1a848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b750295015069cd7747732fd8eff49b.png)
21-22八年级上·福建厦门·期中 查看更多[8]
更新时间:2022-10-30 14:41:09
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