解方程:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ab9dc7de9dfd26f7a4bebc619752c5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4bb3c99feb31dae1a8bb6dd82456eb1.png)
更新时间:2023-01-16 15:32:37
|
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解答题-计算题
|
较易
(0.85)
【推荐2】完成下列各题:
(1)计算:-22+|5-8|+24÷(-3)×
;
(2)化简与计算:
①化简:3x2-[7x-(4x-3)-2x2];
②先化简,再求值:
x-2
+
,其中x=-2,y=
;
(3)解方程:
①32x-64=16x+32;
②-
=2-
.
(1)计算:-22+|5-8|+24÷(-3)×
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb84f6fbac102ccf326b2223d69cb7cc.png)
(2)化简与计算:
①化简:3x2-[7x-(4x-3)-2x2];
②先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca7a5a336cdf0befcdbde628e65106f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d573e943ca258fa3de5968a8dcf8782e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103070abee09399f1e9510a75c3ba9e8.png)
(3)解方程:
①32x-64=16x+32;
②-
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e688164f2b9823fb6998e814c42ef460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0b3e07d5729e961c5bd158b438303d.png)
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