(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)
(2010/1-1)x(2009/1-1)x(2008/1-1).(1001/1-1)x(1000/1-1)=?
(1/2010-1)*(1/2009-1)*(1/2008-1)*…(1/1001-1)*(1/1000-1)=?1/1
(2009/1-1)×(2008/1-1)×(2007/1-1)×.×(1001/1-1)×(1000/1-1)
数学题:(1/2009-1)x(1/2008-1)x(1/2007-1)x...x(1/1001-1)x(1/1000-
(2011分之1-1)*(2010分之1-1)*(2009分之1-1)*...*(1001分之1-1)*(1000分之1
2010分之1-1)×(2009分之1-1)×(2008分之1-1).(1001分之-1)×(1000分之1-1)
计算|1/2011-1/2010|+|1/2010-1/2009|+|1/2009-1/2008|-|1/2008-1/
计算:|1/2008-1/2007|+|1/2009-1/2008|+|1/2010-1/2009|-|1/2010-1
1/1000+1/1001+1/1002+.+1/2008=?
(1-1/2008)*(1-1/2007)````````*(1-1/1001)*(1-1/1000)