|1/2011-1/2010|+|1/2011-1/2012|-|1/2012-1/2010|如题1/2011-1/2010的绝对值加1/2011-1/2012的绝对值减1/2012-1/2010的绝对值
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 13:22:30
![|1/2011-1/2010|+|1/2011-1/2012|-|1/2012-1/2010|如题1/2011-1/2010的绝对值加1/2011-1/2012的绝对值减1/2012-1/2010的绝对值](/uploads/image/z/985857-33-7.jpg?t=%7C1%2F2011-1%2F2010%7C%2B%7C1%2F2011-1%2F2012%7C-%7C1%2F2012-1%2F2010%7C%E5%A6%82%E9%A2%981%2F2011-1%2F2010%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%E5%8A%A01%2F2011-1%2F2012%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%E5%87%8F1%2F2012-1%2F2010%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC)
|1/2011-1/2010|+|1/2011-1/2012|-|1/2012-1/2010|如题1/2011-1/2010的绝对值加1/2011-1/2012的绝对值减1/2012-1/2010的绝对值
|1/2011-1/2010|+|1/2011-1/2012|-|1/2012-1/2010|
如题1/2011-1/2010的绝对值加1/2011-1/2012的绝对值减1/2012-1/2010的绝对值
|1/2011-1/2010|+|1/2011-1/2012|-|1/2012-1/2010|如题1/2011-1/2010的绝对值加1/2011-1/2012的绝对值减1/2012-1/2010的绝对值
|1/2011-1/2010|+|1/2011-1/2012|-|1/2012-1/2010|
=-(1/2011-1/2010)+(1/2011-1/2012)-(-1/2012+1/2010)
=-1/2011+1/2010+1/2011-1/2012+1/2012-1/2010
=0
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