作业帮(1+1/2007+1/2008)*(1/2007+1/2008+1/2009)-(1+1/2007+1/2008+1/2009)*(1/2007+1/2008)详解
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/06 10:41:35
(1+1/2007+1/2008)*(1/2007+1/2008+1/2009)-(1+1/2007+1/2008+1/2009)*(1/2007+1/2008)详解
(1+1/2007+1/2008)*(1/2007+1/2008+1/2009)-(1+1/2007+1/2008+1/2009)*(1/2007+1/2008)详解
(1+1/2007+1/2008)*(1/2007+1/2008+1/2009)-(1+1/2007+1/2008+1/2009)*(1/2007+1/2008)详解
先提取公因子：(1/2007+1/2008+1/2009)
即：(1/2007+1/2008+1/2009) * (1+1/2007+1/2008- 1/2007-1/2008)
=(1/2007+1/2008+1/2009) * 1
=1/2007+1/2008+1/2009
2007+2008×2006分之2007×2008-1
2007÷(2007+2007/2008)+1/2009
2007/2008+9×2007/2008+99×2007/2008+1/502
比较(2007^2007+1)/(2007^2008+1)与(2007^2006+1)/(2007^2007+1)的大小
(1+1/2007+1/2008)*(1/2007+1/2008+1/2009)-(1+1/2007+1/2008+1/2009)*(1/2007+1/2008)详解
|1/2009-1/2008|+|1/2008-1/2007|+|1/2007-1/2006|-|1/2006-1/2009|
（2007+2008*2006分之2007*2008-1）+2007
2006×2008×(1/2006×2007+1/2007×2008)怎么算?
2009又1/2007*2007/2008
2008×2009-1分之2008+2009×2007
2008+2009×2007/2008×2009-1
2008+2007+2009/2008*2009-1
2008+2009*2007/2008*2009-1
计算|1/2009-1/2008|+|1/2008-1/2007|-|1/2009-1/2007|=（ ）
计算:|1/2009-1/2008|+|1/2008-1/2007|-|1/2009-1/2007|
初一数学|1/2007-1/2006|-|1/2008-1/2006|+|1/2008-1/2007|
计算：|1/2009-1/2008|+|1/2008-1/2007|-|1/2009-1/2007|=
|1/2007－1/2006|＋|1/2008＋1/2006|＋|1/2008-1/2007|