(1)计算:(x﹣2)(x﹣5)﹣x(x﹣3);
(2)计算:
;
(3)因式分解:9a2(x﹣y)+4b2(y﹣x);
(4)解方程:
1
.
(2)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0b5b2761c96a7c9ee5d75d915b380b.png)
(3)因式分解:9a2(x﹣y)+4b2(y﹣x);
(4)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675b59935cfff15971e9bdd47d5da36c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fa2f098ba6e9919fc73291ea8c2cf9a.png)
更新时间:2022-01-21 06:49:41
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