先化简,再求值
,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c49e8aa6168801b77dc1a9d7a3f8d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f02d0ae73cdddf97311aa50b51240eb6.png)
更新时间:2024-01-13 18:33:17
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【知识点】 整式的加减中的化简求值解读
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解答题-问答题
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适中
(0.65)
【推荐2】已知代数式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3870879379b7ed501457ec8b23c8b742.png)
(1)若
.
①求
;
②当
时,求
的值;
(2)若
(a为常数),且A与B的和不含
项,求整式
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3870879379b7ed501457ec8b23c8b742.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68d69722595d89345ebf9991d602a0f.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd2e0881dea2b5d4938ac48b2b1782d.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd2e0881dea2b5d4938ac48b2b1782d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138eb4ef9d27f2b1977dff023a4dfe43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be13f950b772b5c160140010bbc6a93.png)
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