先化简,再求值:
,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8449ea2d75033dba77ed4a36d1e8aacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c995b97b29bb88500334b536cbbfdc.png)
20-21七年级下·内蒙古包头·期中 查看更多[4]
内蒙古自治区包头市昆都仑区包钢第三中学2020-2021学年七年级下学期期中数学试题(已下线)专题1.28 整式的乘除(运算与化简100题)(基础篇)(专项练习)-2022-2023学年七年级数学下册基础知识专项讲练(北师大版)(已下线)专题3.30 整式的乘除(运算与化简100题)(基础篇)(专项练习)-2022-2023学年七年级数学下册基础知识专项讲练(浙教版)(已下线)综合复习与测试(1)(计算化简求值解方程(不等式)100题)(基础篇)(专项练习)-2022-2023学年七年级数学下册基础知识专项讲练(浙教版)
更新时间:2023-01-08 12:29:16
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