求多项式3a2+abc﹣
c2﹣3a2+
c2的值,其中a=
,b=2,c=﹣3.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf3f23bfec394769b4670962b219999.png)
更新时间:2022-02-25 17:11:46
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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-计算题
|
较易
(0.85)
【推荐1】(1)计算:
.
(2)化简并求值:
,其中x、y的取值如图所示:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad80b553fdea7e2c48834bd2c2330041.png)
(2)化简并求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0dded460290f2d263e5d2c3884a806.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/49e76e93-d5da-429f-9e33-d9cffc445456.png?resizew=186)
您最近一年使用:0次
解答题-计算题
|
较易
(0.85)
【推荐2】(1)化简求值:
,其中
、![](https://img.xkw.com/dksih/QBM/2013/3/26/1573624312741888/1573624356192256/STEM/54b0c95557124146b47eee09b1d3384a.png)
(2)已知关于x的方程
的解与方程2x-1=3的解相同,求m的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b361bcd65c48c9abf99698cf045bad8.png)
![](https://img.xkw.com/dksih/QBM/2013/3/26/1573624312741888/1573624356192256/STEM/1f91fbdc11c3403eb8ac52ab3836d74e.png)
![](https://img.xkw.com/dksih/QBM/2013/3/26/1573624312741888/1573624356192256/STEM/54b0c95557124146b47eee09b1d3384a.png)
(2)已知关于x的方程
![](https://img.xkw.com/dksih/QBM/2013/3/26/1573624312741888/1573624356192256/STEM/7d47463b49c04b49bc0947d000aeac50.png)
您最近一年使用:0次