(2012/1-1)×(2011/1-1)×(2010/1-1)×……×(1001/1-1)×(1000/1-1)
(2012/1-1)×(2011/1-1)×(2010/1-1)×……×(1001/1-1)×(1000/1-1)
(2012/1-1)×(2011/1-1)×(2010/1-1)×……×(1001/1-1)×(1000/1-1)
(2012/1-1)×(2011/1-1)×(2010/1-1)×……×(1001/1-1)×(1000/1-1) 这道
(1/2012-1)*(1/2011-1)*(1/2010-1)*……*(1/1001-1)*(1/1000-1)
计算:(1/2013-1)(1/2012-1)(1/2011-1)…(1/1001-1) (1/1000-1)
[2012分之1-1】*【2011分之1-1】*【2010分之1-1】*...*【1001分之1-1】*【1000分之1
(1/2013-1)乘(1/2012-1)乘(1/2011-1)乘…(1/1001-1)乘(1/1000-1)
(1/2012-1)×(1/2011-1)×(1/2010-1)×…×(1/2000-1)
(1/2010-1)*(1/2009-1)*(1/2008-1)*…(1/1001-1)*(1/1000-1)=?1/1
计算:|1/2012-1/2011|+|1/2011-1/2010|+|1/2010-1/2009||+…+|1/3-1
(2011/1-1)(2010/1-1)(2009/1-1)…(3/1-1)(2/1-1)
(1/2003-1)(1/2002-1)(1/2011-1)(1/2000)(1/1999-1)…(1/1001-1)(