简便计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14f597ebd37e82ee49d3e32c8b60a56.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252f95f72b7df64d0f3ec0e0b842f9d8.png)
23-24八年级上·全国·课堂例题 查看更多[1]
更新时间:2023-09-12 21:55:30
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