先化简,再求值:
(1)
,其中
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
(2)
,其中
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4c8f4abf2de07ae78bb87ad571f69a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f02b4bffa62872109ec08ff7c62aae5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
23-24八年级上·河南驻马店·期末 查看更多[3]
河南省驻马店市汝南县2023-2024学年八年级上学期期末数学试题河南省濮阳市清丰县仙庄镇初级中学2023-2024学年八年级上学期1月月考数学试题(已下线)专题10.24+分式的化简求值100题(分层练习)2(综合练)
更新时间:2024-01-12 09:24:05
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相似题推荐
解答题-计算题
|
适中
(0.65)
【推荐1】计算:
(1)
;
(2)
;
(3)简便算法计算:
;
(4)先化简,再求值:
,其中
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f9ee654b02c82c669e5c798a71661f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1616e0c725b33d4dc3b437185d1392cc.png)
(3)简便算法计算:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20079333f38fa5954981f827e4932eae.png)
(4)先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810e14d21e326cefe3c1b953e2fa3767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd456469aaa6dafb1e275183d217435.png)
您最近一年使用:0次
解答题-计算题
|
适中
(0.65)
【推荐2】先化简,再求值.
[2(a+b)]2-(2a-b)(2a+b)-(-b)2,其中a=-
,b=3.
[2(a+b)]2-(2a-b)(2a+b)-(-b)2,其中a=-
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
您最近一年使用:0次