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两位数减法把被减数45看成了54,还把减号看成了加号算出结果是84,正确结果是
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84-54=30
正确的减数是30
45-30=15
正确的差是15![](https://s.bdstatic.com/common/openjs/emoticon/img/face_01.png)
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咨询记录 · 回答于2022-06-06
两位数减法把被减数45看成了54,还把减号看成了加号算出结果是84,正确结果是
你好,亲亲![](https://s.bdstatic.com/common/openjs/emoticon/img/face_01.png)
![](https://s.bdstatic.com/common/openjs/emoticon/img/face_01.png)
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84-54=30正确的减数是3045-30=15正确的差是15![](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)
这类题目属于小马虎类型的题目,我们要先将错就错,算出没有看错的数,然后再按照正确的算法去计算哦![](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)