计算:-(
)2=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17560a4245dc77adab6d74e9a5a2a4c7.png)
更新时间:2020-07-02 09:50:47
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【推荐1】计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5cfdc642d6b446f45335f29970e6706.png)
_________ ;(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a8f754322b282d02828845bf5bbcc1.png)
_________ .
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5cfdc642d6b446f45335f29970e6706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a8f754322b282d02828845bf5bbcc1.png)
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