计算:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01158ecd70dd7a466ab0160b2e066e4c.png)
更新时间:2023-12-07 17:23:16
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相似题推荐
解答题-计算题
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适中
(0.65)
【推荐2】(1)计算:
;
(2)化简:(a+2)(a-2)-(a-2)2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45aab07c783b339df9aab137d155699b.png)
(2)化简:(a+2)(a-2)-(a-2)2.
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】按要求完成下列各题:
(1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7cae943c6612125e29a82767002a0b.png)
(2)化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f4816c873fd37b677cfca356417280.png)
(3)先化简,再求值:
,其中
(1)计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7cae943c6612125e29a82767002a0b.png)
(2)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f4816c873fd37b677cfca356417280.png)
(3)先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68f8e1a92dcb66694a9e5802d775729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9222ffc26c0e6bfbf252ab5d8a520.png)
您最近一年使用:0次