计算:
(1)解方程:
.
(2)解不等式组:
.
(1)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a069a61cabb806b6a642d3ff5e8871ea.png)
(2)解不等式组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a14d1ab7c09252da95b4b85753a5a0.png)
更新时间:2023-09-12 11:08:56
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解答题-计算题
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适中
(0.65)
【推荐1】(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937bda5675775d310f35c132057a31a7.png)
(2)解不等式组![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cea01938308ae7673342ed357285ffc.png)
(3)先化简,再求值
,其中
与
互为相反数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937bda5675775d310f35c132057a31a7.png)
(2)解不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cea01938308ae7673342ed357285ffc.png)
(3)先化简,再求值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cc09f4a18b24692e9712fadb9404d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acf1828b3206123caa74e360cd88ae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0b6accb6d4ef59d2d2b20d991bb393.png)
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