已知A=-4a3-3+2a2+5a,B=3a3-a-a2,求:A-2B.
更新时间:2019-04-03 19:30:59
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解答题-计算题
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适中
(0.65)
【推荐1】有理数a,b,c,在数轴上的位置如图所示,则化简:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/7677375a-c36d-4c42-abba-b4219e4de223.png?resizew=368)
(1)比较大小:
b
(2)化简:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/7677375a-c36d-4c42-abba-b4219e4de223.png?resizew=368)
(1)比较大小:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8d830e3275a9fee9d8bdbdd8bbce9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bb590f9b4dd940baf589ec1591e5e3.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e00d86f46c3a9f8d06047d3cf4e4d4f.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
名校
【推荐2】计算与化简:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fba128729acf0cd9a030fd1fe1d04c.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111c34ab9a3a490e4e6c1468a5dd9898.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/997d45d6933606a0807e8960c64a4449.png)
(4)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b47268070f85110a1dc4dc29be1a6d4.png)
(5)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34df352e231e341bae4a6f31babf201d.png)
(6)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fba128729acf0cd9a030fd1fe1d04c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/111c34ab9a3a490e4e6c1468a5dd9898.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/997d45d6933606a0807e8960c64a4449.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b47268070f85110a1dc4dc29be1a6d4.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34df352e231e341bae4a6f31babf201d.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2506b07b32a8a367c0bf2b13518e46.png)
您最近一年使用:0次