问题描述: 写过程(1/2004-1) (1/2003-1) (1/2002-1)...(1/1001-1) (1/1000-1)= 1个回答 分类:数学 2014-10-28 问题解答: 我来补答 一共有:2004-1000+1 = 1005 项(1/2004-1)(1/2003-1)(1/2002-1)……(1/1001-1)(1/1000-1)= (-2003/2004)(-2002/2003)(-2001/2002)……(-1000/1001)(-999/1000)= - ( 2003 * 2002 * 2001*……*1001*1000*999) / (2004 * 2003 * 2002*2001*……*1001*1000)= - (1/2004) (2003/2003)(2002/2002)(2001/2001)……(1001/1001)(1000/1000)(999/1)= - (1/2004)(999)= - 999/2004 展开全文阅读