计算
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ec464f9293c3b85fb992a766999dc8.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ec464f9293c3b85fb992a766999dc8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc8b26b25d4437f5120ac9385460e87.png)
更新时间:2023-09-30 10:23:43
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解答题-计算题
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适中
(0.65)
【推荐1】整式的加减
(1)化简:3b+5a+2a-4b;
(2)化简:(a2+2ab+b2)-(a2-2ab+b2).
(3)化简并代入求值:(4a2-3a)-2(1-2a+2a2),其中a=-2
(1)化简:3b+5a+2a-4b;
(2)化简:(a2+2ab+b2)-(a2-2ab+b2).
(3)化简并代入求值:(4a2-3a)-2(1-2a+2a2),其中a=-2
您最近一年使用:0次
解答题-计算题
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适中
(0.65)
【推荐2】计算:
(1)
;
(2)
;
(3)
.
(4)
.
(5)
;
(6)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f057f302fe9af7af7f0dd9d618093d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b34333b067dccad67eb2120ed2c067.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28777a1200da3e37bde56807d3b27c09.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b7e316a751ead9e450a13e8790a8fe7.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b81673fbaae507ce87e7fa73c6f32d.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85984c58c9ea99dc47692c2973821f4.png)
您最近一年使用:0次
解答题-计算题
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适中
(0.65)
【推荐2】化简
(1)(8a-7b)-(4a-5b);
(2)3a2-[7a-(4a-3)-2a2]
(1)(8a-7b)-(4a-5b);
(2)3a2-[7a-(4a-3)-2a2]
您最近一年使用:0次
解答题-计算题
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适中
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【推荐2】已知代数式
,马小虎同学在做整式加减运算时,误将“
”看成“
”了,计算的结果是
.
(1)请你帮马小虎同学求出正确的结果;
(2)x是最大的负整数,将x代入(1)问的结果求值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d911090b5fe41831e4eff6c54f2727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9e460c144f7a2141d2df0308b125f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ce69cd33d105ce280170f0cd0513026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07af1ed8a32ff5722a4f60653fd6839f.png)
(1)请你帮马小虎同学求出正确的结果;
(2)x是最大的负整数,将x代入(1)问的结果求值.
您最近一年使用:0次