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|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+…+|1/2013-1/2014|
题目详情
|1/3-1/2|+|1/4-1/3|+|1/5-1/4|+…+|1/2013-1/2014|
▼优质解答
答案和解析
原式=(1/2-1/3) +(1/3-/14)+.+(1/2012-1/2013)+(1/2013-1/2014)
=1/2-1/2014
=1006/2014
=503/1007
=1/2-1/2014
=1006/2014
=503/1007
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