问题描述: 1.化简1/x(x-1)+1/(x-1)(x-2)+1/(x-2)(x-3)+…+1/(x-9)(x-10)= 一定要写过程, 1个回答 分类:数学 2014-10-17 问题解答: 我来补答 1/x(x-1)+1/(x-1)(x-2)+1/(x-2)(x-3)+…+1/(x-9)(x-10)=1/(x-1)-1/x+1/(x-2)-1/(x-1)+1/(x-3)-1/(x-2)+……+1/(x-10)-1/(x-9)=1/(x-10)-1/x=10/x(x-10) 再问: 你确定是对的吗? 再答: 确定。望采纳,谢谢 展开全文阅读