(1/2010-1)*(1/2009-1)*(1/2008-1).(1/1001-1)*(1/1000-1)
来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/27 15:37:00
(1/2010-1)*(1/2009-1)*(1/2008-1).(1/1001-1)*(1/1000-1)(1/2010-1)*(1/2009-1)*(1/2008-1).(1/1001-1)*(1
(1/2010-1)*(1/2009-1)*(1/2008-1).(1/1001-1)*(1/1000-1)
(1/2010-1)*(1/2009-1)*(1/2008-1).(1/1001-1)*(1/1000-1)
(1/2010-1)*(1/2009-1)*(1/2008-1).(1/1001-1)*(1/1000-1)
=(-2009/2010)(-2008/2009)(-2007/2008).(-1000/1001)(-999/1000)
=-999/2010
1/2009*2010+1/2010+1/2011
(2011+1/2009)×1/2010
2009*2010-1分之2009+2008+2010
2009×2009+2008分之2009×2010-1
2009÷2009 2009/2010+1/2011
(-1)^2010+(-4)^2010*(-1/4)^2009
（2010+1／2009）／（2009+1／2010）+（2008+1／2009）／（2009+1／2008）
(2009+2008*2010)/(2009*2010-1)+(2010+2009*2011)/(2010*2011-1)+(2011+2010*201
根号1+2009²+2009²/2010²-1/2010
2009×2010-1分之2009+2008×2010 ×2010
【（2009+2008*2010）/（2009*2010-1）】*2010
2010+2009×2011/2010×2011-1—2009+2008×2010/2009×2010-1
（2009+2008*2010）/（2009*2010-1）+(2010+2009*2011)/(2010*2011-1)简算
计算：|1/2009-1/2008|-|1/2010-1/2008|+|1/2010-1/2009|
计算|2009/1-2010/1|+|2010/1-2011/1|+|2011/1-2009/1|
|1/2010-1/2009|+|1/2011-1/2010|-|1/2011-1/2009|=多少
计算 |1/2011-1/2010|+|1/2010-1/2009|+|1/2009-1/2008|+...+|1/3-1/2|+|1/2-1|计算 |1/2011-1/2010|+|1/2010-1/2009|+|1/2009-1/2008|+...+|1/3-1/2|+|1/2-1|
(-7)^2010×(1/7)^2011×(-1)^2009