问题描述: 1/(2*4)+1/(4*6)+1/(6*8)+········+1/(2006*2008)等于? 1个回答 分类:数学 2014-12-12 问题解答: 我来补答 1/(2*4)+1/(4*6)+1/(6*8)+········+1/(2006*2008)=1/2*(1/2-1/4)+1/2*(1/4-1/6)+……+1/2*(1/2006-1/2008)=1/2*(1/2-1/4+1/4-1/6+……+1/2006-1/2008)=1/2*(1/2-1/2008)=1003/4016 展开全文阅读