(1+1/2008+1/2009)*(1/2008+1/2009+1/2010)-(1+1/2008+1/2009+1/2010)*(1/2008+1/2009) (1+1/2008+1/2009)*(1/2008+1/2009+1/2010)-(1+1/2008+1/2009+1/2010)*(1/2008+1/2009)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/26 00:48:32
(1+1/2008+1/2009)*(1/2008+1/2009+1/2010)-(1+1/2008+1/2009+1/2010)*(1/2008+1/2009)(1+1/2008+1/2009)*(
(1+1/2008+1/2009)*(1/2008+1/2009+1/2010)-(1+1/2008+1/2009+1/2010)*(1/2008+1/2009) (1+1/2008+1/2009)*(1/2008+1/2009+1/2010)-(1+1/2008+1/2009+1/2010)*(1/2008+1/2009)
(1+1/2008+1/2009)*(1/2008+1/2009+1/2010)-(1+1/2008+1/2009+1/2010)*(1/2008+1/2009)
(1+1/2008+1/2009)*(1/2008+1/2009+1/2010)-(1+1/2008+1/2009+1/2010)*(1/2008+1/2009)
(1+1/2008+1/2009)*(1/2008+1/2009+1/2010)-(1+1/2008+1/2009+1/2010)*(1/2008+1/2009) (1+1/2008+1/2009)*(1/2008+1/2009+1/2010)-(1+1/2008+1/2009+1/2010)*(1/2008+1/2009)
设1/2008+1/2009=t
(1+1/2008+1/2009)*(1/2008+1/2009+1/2010)-(1+1/2008+1/2009+1/2010)*(1/2008+1/2009)
=(1+t)(t+1/2010)-t(1+t+1/2010)
=t(1+t)+(1+t)/2010-t(1+t)-t/2010
=(1+t-t)/2010
=1/2010
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|=