|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
希望對(duì)您有所幫助,
|1/2011-1/2010|+|1/2011-1/2012|-|1/2012-1/2010|
|1/2011-1/2010|+|1/2011-1/2012|-|1/2012-1/2010|
如題1/2011-1/2010的絕對(duì)值加1/2011-1/2012的絕對(duì)值減1/2012-1/2010的絕對(duì)值
如題1/2011-1/2010的絕對(duì)值加1/2011-1/2012的絕對(duì)值減1/2012-1/2010的絕對(duì)值
數(shù)學(xué)人氣:976 ℃時(shí)間:2019-12-11 03:42:46
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