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简便方法计算473—(丨73一69)十31
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您好,括号前面是减号,去掉括号要变号哟![](https://s.bdstatic.com/common/openjs/emoticon/img/face_73.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_73.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_73.png)
咨询记录 · 回答于2023-05-06
简便方法计算473—(丨73一69)十31
您好,括号前面是减号,去掉括号要变号哟![](https://s.bdstatic.com/common/openjs/emoticon/img/face_73.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_73.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_73.png)
具体过程稍后马上发图哟![](https://s.bdstatic.com/common/openjs/emoticon/img/face_01.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_01.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_01.png)
亲,以上是具体过程和解题思路,哪一步不理解,我是可以帮您讲解哟
对吗?
亲,对的,绝对没问题![](https://s.bdstatic.com/common/openjs/emoticon/img/face_01.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_01.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_01.png)
请相信我哟![](https://s.bdstatic.com/common/openjs/emoticon/img/face_73.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_73.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_73.png)
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