(1/2009-1)*(1/2008-1)*(1/2007-1)*……*(1/3-1)*(1/2-1)
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/26 22:40:28
(1/2009-1)*(1/2008-1)*(1/2007-1)*……*(1/3-1)*(1/2-1)(1/2009-1)*(1/2008-1)*(1/2007-1)*……*(1/3-1)*(1/2-
(1/2009-1)*(1/2008-1)*(1/2007-1)*……*(1/3-1)*(1/2-1)
(1/2009-1)*(1/2008-1)*(1/2007-1)*……*(1/3-1)*(1/2-1)
(1/2009-1)*(1/2008-1)*(1/2007-1)*……*(1/3-1)*(1/2-1)
一共2008项,乘积为正
(1/2009-1)*(1/2008-1)*(1/2007-1)*……*(1/3-1)*(1/2-1)
=(1-1/2)*(1-1/3)*...*(1-1/2008)*(1-1/2009)
=1/2*2/3*3/4*...*2007/2008*2008/2009
=1/2009
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
2009×2009+2008分之2009×2010-1
2008*2009-1与2008^-2008*2009+2009^的大小2008*2009-1与2008^-2008*2009+2009^
(2008+2007*2009/2008*2009-1)+(2009+2008*2010/2009*2008-1)怎么算
|1/2009-1/2008|+|1/2008-1/2007|+|1/2007-1/2006|-|1/2006-1/2009|
（2010+1／2009）／（2009+1／2010）+（2008+1／2009）／（2009+1／2008）
2008*2009-1分之2008+2007*2009+2009*1010-1分之2009+2008*2010用巧算
计算(-0.2)^2009×5^2009+(-1)^2009-(-1)^2008
2008+2009*20082008-2008*20092009+1简算
2009*2010-1分之2009+2008+2010
计算：|1/2009-1/2008|-|1/2010-1/2008|+|1/2010-1/2009|
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|
1/2010-1/2009 的绝对值+1/2009-1/2008的绝对值+1/2008-1/2007
计算：|1/2009-1/2008|+|1/2008-1/2007|-|1/2009-1/2007|=