1 . 先化简,再求值:
(1)
,其中
;
(2)
,其中
.
(3)
;
(4)
(结果用幂的形式表示).
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2cb6ab97ec8c609213cbd0ea334dc07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a113e05689be30d46e10483c429c8edc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f3fa679bb55ded25a9b72a8e788cb1.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a7bdc5dfc134369cc758c20645b59b1.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c85541edd29d21dcf3580b0e2dd8c573.png)
您最近一年使用:0次
22-23七年级下·江苏·单元测试
2 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff6b1a6de841502ea8b3016549e6624.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d09b44614e47b9137de449aa16ca689.png)
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3 . 计算与解方程:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b1a6593048c55ec04c52cc31acf8c4.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7510bc735d4b1b7f42580df59240694.png)
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3961c0c05034c7d4836d28d3e83b52.png)
(4)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b1a6593048c55ec04c52cc31acf8c4.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7510bc735d4b1b7f42580df59240694.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3961c0c05034c7d4836d28d3e83b52.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae2ba0220afe841a811fa1b2492ea4d.png)
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4 . (1)计算:
;
(2)解分式方程:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0b6164b860f0747ee40e8cc67fd0ae.png)
(2)解分式方程:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fccd671a0b807bf657fc76a7a27d6ee0.png)
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5 . 计算:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933b9293623d3c2a88c69e5db2298b74.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933b9293623d3c2a88c69e5db2298b74.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63161c64cfde7819a8d5371f36a3a0f7.png)
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6 . 分别按要求做下列各题:
(1)计算![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c055f3591d49b4a05dc040ccf5356fcb.png)
(2)计算![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0842a4ad0d50f1e7f51dd5ce42db4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304662b3ac5f4201482d8a4ead7f5b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e926ce3ef177c6b58f610d2a7b848da6.png)
(3)化简:
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c055f3591d49b4a05dc040ccf5356fcb.png)
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0842a4ad0d50f1e7f51dd5ce42db4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304662b3ac5f4201482d8a4ead7f5b17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e926ce3ef177c6b58f610d2a7b848da6.png)
(3)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a420fe69517fdd117e5e94937540ea.png)
您最近一年使用:0次
名校
7 . (1)计算:
;
(2)先化简,再求值:
,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4daffa5d1dc0ac36fc8a4d6659d85e51.png)
(2)先化简,再求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd60056532c5d82b5487eca996bc021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
您最近一年使用:0次
2023-10-22更新
|
496次组卷
|
4卷引用:湖北省武汉外国语学校2021-2022学年八年级上学期期末模拟数学试题
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名校
8 . (1)计算:
①
②
.
(2)因式分解:
①
;
②
;
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c48b3e9916a4db3b39f7e1d4924cd007.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79eb918652b132ca4849502496809979.png)
(2)因式分解:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0f5c1fa3666d9530495053e1d8281a.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1efb1d80967619b7cce1a1313cab14.png)
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9 . 计算题
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b16a191a7147d174ce1165ae2bd2c7.png)
(2)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b16a191a7147d174ce1165ae2bd2c7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f2231d696b11159f197d5eb459bc707.png)
您最近一年使用:0次
10 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150676bbcc84463ef8355bda65c56549.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d4e8f11704d49096bebadf4d99a98e.png)
您最近一年使用:0次
2023-02-16更新
|
298次组卷
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4卷引用:重庆市沙坪坝区2022-2023学年八年级上学期期末数学试题
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