计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670054090cbc086926fe877e8d8abcc6.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670054090cbc086926fe877e8d8abcc6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91eb90faccb713fc1012fcf5dbaffd69.png)
更新时间:2022-12-17 20:19:46
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解答题-计算题
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【推荐2】小文在计算某多项式减去多项式
时,误认为是加上多项式
,求得答案是多项式
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(1)求这个多项式;
(2)正确答案是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5eb158dde0cae304ace3577688b948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5eb158dde0cae304ace3577688b948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53a83c75a7b93c8a0b6d5f5c39c17a6.png)
(1)求这个多项式;
(2)正确答案是多少?
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解答题-计算题
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【推荐2】计算:
(1)(3x﹣y)2+(3x+y)(3x﹣y)
(2)解方程:
=
(1)(3x﹣y)2+(3x+y)(3x﹣y)
(2)解方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a01c9d4ec7dd574c86af1878b706b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dffdfe922bae0b169aae444bded96d9f.png)
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解答题-问答题
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【推荐2】因式分解:
(1)(a﹣b)2+4ab;
(2)(m﹣4)(m+1)+3m.
(1)(a﹣b)2+4ab;
(2)(m﹣4)(m+1)+3m.
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