已知多项式
,其中
,在计算
时,某同学误将其看成了
,求得结果为
.
(1)求多项式
;
(2)该同学计算出正确的结果.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91fd6c9f7b7c9fa4822aa81eb13799ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2836c38ecf453c7740ac6c42e6f21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae0f8520349250a31be6d58542ef2d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5eeaa30850a2dd1abcb46208ac8b6a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e73bec9a0fdfea3f4b086837d1b224.png)
(1)求多项式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)该同学计算出正确的结果.
更新时间:2022-12-04 09:59:28
|
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解答题-问答题
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较易
(0.85)
【推荐1】比较大小
(1)①如果
,那么a b;
②如果
,那么a b;
③如果
,那么a b;
(2)用(1)的方法你能否比较
与
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(1)①如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f7bea84b44a1dd19c1d3682688c7b6.png)
②如果
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③如果
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(2)用(1)的方法你能否比较
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d90400bc64765631a703b78c9e2beb2.png)
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解答题-计算题
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较易
(0.85)
名校
【推荐2】已知:
,
(a、b为常数),小红在计算时不小心将
写成
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f8c7721d39331207751e80f9d0839e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e8c98b25bd52b17da5d0dbc3aea859.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d9bd357d1c21b0e6b6c8f276b93c7ce.png)
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