(1+1/2+1/3+...+1/2006)*(1/2+1/3+1/4+...1/2007)-(1+1/2+1/3+...1/2007)*(1/2+1/3+...+1/2006)=?简便运算
问题描述:
(1+1/2+1/3+...+1/2006)*(1/2+1/3+1/4+...1/2007)-(1+1/2+1/3+...1/2007)*(1/2+1/3+...+1/2006)=?
简便运算
答