(2006-1/2-1/3-……-1/2005)(1/2+1/3+……+1/2006)-(2006-1/2-1/3-……-1/2006)(1/2+1/3……+1/2005)=?
来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/18 13:12:53
(2006-1/2-1/3-……-1/2005)(1/2+1/3+……+1/2006)-(2006-1/2-1/3-……-1/2006)(1/2+1/3……+1/2005)=?(2006-1/2-1/
(2006-1/2-1/3-……-1/2005)(1/2+1/3+……+1/2006)-(2006-1/2-1/3-……-1/2006)(1/2+1/3……+1/2005)=?
(2006-1/2-1/3-……-1/2005)(1/2+1/3+……+1/2006)-(2006-1/2-1/3-……-1/2006)(1/2+1/3……+1/2005)=?
(2006-1/2-1/3-……-1/2005)(1/2+1/3+……+1/2006)-(2006-1/2-1/3-……-1/2006)(1/2+1/3……+1/2005)=?
(2006-1/2-1/3-……-1/2005)(1/2+1/3+……+1/2006)=(2006-1/2-1/3-……-1/2005)(1/2+1/3+……+1/2005)+(2006-1/2-1/3-……-1/2005)*1/2006
(2006-1/2-1/3-……-1/2006)(1/2+1/3……+1/2005)=(2006-1/2-1/3-……-1/2005)(1/2+1/3……+1/2005)-(1/2+1/3……+1/2005)*1/2006
(2006-1/2-1/3-……-1/2005)(1/2+1/3+……+1/2006)-(2006-1/2-1/3-……-1/2006)(1/2+1/3……+1/2005)=(2006-1/2-1/3-……-1/2005)*1/2006+(1/2+1/3……+1/2005)*1/2006
=1
(2006-1/2-1/3-……-1/2005)(1/2+1/3+……+1/2006)-(2006-1/2-1/3-……-1/2006)(1/2+1/3……+1/2005)=?
2008+2007+2006…+3+2+1
-1+2-3+…+2006-2007=?
(1/3+1/4……+1/2006)(1/2+1/3……+1/2006)-(1/2+1/3+……+1/2006)(1/3+1/4……+1/2005)
2006/1+2006/2+2006/3+…+2006/2004+2006/2005等于多少要算式,
2006×2007+2007×2008+2006×2008-2/1+2+3+……+2006+2007
1+2+3+……+2006+2007+2006+.+3+2+1
(2007-1)+(2006-2)+(2005-3)+……+(1005-1003)
1-2+3-4……+2005-2006
(-1)+(+2)+(-3)+(+4)+……+(-2005)+(+2006)+(-2007)+(+2008)
(+1)+(-2)+(+3)+(-4)+……+(+2005)+(-2006)+2007
(1/2+1/3+1/4+1/5+……+1/2007)*(1+1/2+1/3+1/4+……+1/2006)………………计算：(1/2+1/3+1/4+1/5+……+1/2007)*(1+1/2+1/3+1/4+……+1/2006)-（1+1/2+1/3+1/4+……+1/2007）*(1/2+1/3+1/4+^+1/2006)要求简算
计算:(1/2006-1)(1/2005-1)(1/2004)… (1/3-1)(1/2-1).
1/2+(1/3+2/3)+(1/4+2/4+3/4)+…(1/2006+2/2006+3/2006+…+2005/2006)=?1/2+〔1/3+2/3〕+〔1/4+2/4+3/4〕+…+〔1/2006+2/2006+…+2004/2006+2005/2006〕=0.5+1+1.5+.1003=2006*(0.5+1003)/2=1006510.
计算：（1/2+1/3+1/4+…+1//2006）（1+1/2+1/3+…+1/2005）-（1+1/2+1/3+1/4+…+1/2006）（1/2+1/3+…+1/2005）
初一奥数(1+2/1)(1-2/1)(1+3/1)(1-3/1)……（1+2006/1）（1-2006/1）
1×1/2+1/2×1/3+1/3×1/4……+1/2005×1/2006=?
計算：(1/2006-1)(1/2005-1)(1/2004-1)……(1/3-1)(1/2-1)