计算|1/2005-1/2004|+|1/2004-1/2003|-|1/2005-1/2003|=几?是一道数学题,我们今天的作业,

分类: 作业答案 • 2022-01-03 09:52:36

问题描述：

计算|1/2005-1/2004|+|1/2004-1/2003|-|1/2005-1/2003|=几?
是一道数学题,我们今天的作业,

答

l1/2005-1/2004l+l1/2004-1/2003l-l1/2005-1/2003l
=(1/2004-1/2005)+(1/2003-1/2004)-(1/2003-1/2005)
=1/2004-1/2005+1/2003-1/2004-1/2003+1/2005
=0