(1)计算:
;
(2)解方程组:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd2d5fbdc5c4b1b30ce33bd6aa6c42a.png)
(2)解方程组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e44cf4015cff3f17fe45bd2e0e139e0.png)
更新时间:2024-02-01 14:35:38
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【推荐1】计算题:
(1)![](https://img.xkw.com/dksih/QBM/2016/4/21/1574195476439040/1574195482796032/STEM/55ed7adfbbe843689194eb70fbc53a99.png)
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【推荐2】计算:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5be7821872c2f83d39ffaea5216d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
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