uyvutcutdjvuchcycgdufjxtrukdut
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/08/05 00:07:29
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![](http://img.wesiedu.com/upload/d/a3/da3fa4cd917a385bcc6e7e83807e7dc6.jpg)
![](http://img.wesiedu.com/upload/d/a3/da3fa4cd917a385bcc6e7e83807e7dc6.jpg)
![uyvutcutdjvuchcycgdufjxtrukdut](/uploads/image/z/20269128-48-8.jpg?t=uyvutcutdjvuchcycgdufjxtrukdut)
解题思路: 判断各式的正负,再化简
解题过程:
答案见附件
![](http://img.wesiedu.com/upload/0/4b/04b4807dc88e059e6d880a9dd2251f1f.png)
最终答案:略
解题过程:
答案见附件
![](http://img.wesiedu.com/upload/0/4b/04b4807dc88e059e6d880a9dd2251f1f.png)
最终答案:略