化简:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8506204204a8cc0b226ef0b16efa4082.png)
更新时间:2021-11-06 10:18:17
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解答题-问答题
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较易
(0.85)
【推荐2】有这样一道题:“当
时,求多项式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b367cc11b0583762c14b6b8339cecfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5c1486d68885989695eac9885ad5a2.png)
的值.”有一位同学指出,题目中给出的条件
与
是多余的,他的说法有道理吗?请加以说明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1aca6497676176fae3bad3ef6a3dce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b367cc11b0583762c14b6b8339cecfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5c1486d68885989695eac9885ad5a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb53375481cb61db0458ab1d5a9a674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b899867f601263f04be6f65cfe0aa89f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cf46d46101e1abcb6e3f2d86cb43600.png)
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