求
的值.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac7cd0636fd4eeca0f0253eac74f3e0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b95f6bf7e264183e8135bd72939d61c.png)
23-24七年级下·天津北辰·期中 查看更多[2]
更新时间:2024-05-01 12:48:56
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