计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f6e109be8bcc565018ccc946d2916d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba41f6c09b380405ff795066fda6bf29.png)
更新时间:2024-05-26 17:48:12
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【知识点】 实数的混合运算