(1/2012-1)*(1/2011-1)*(1/2010-1)*……*(1/1001-1)*(1/1000-1)
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(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)](/uploads/image/z/8854870-22-0.jpg?t=%EF%BC%881%2F2012-1%EF%BC%89%2A%EF%BC%881%2F2011-1%EF%BC%89%2A%EF%BC%881%2F2010-1%EF%BC%89%2A%E2%80%A6%E2%80%A6%2A%EF%BC%881%2F1001-1%EF%BC%89%2A%EF%BC%881%2F1000-1%EF%BC%89)
2004
(1/2012-1)*(1/2011-1)*(1/2010-1)*……*(1/1001-1)*(1/1000-1)
(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
(1/2013-1)乘(1/2012-1)乘(1/2011-1)乘…(1/1001-1)乘(1/1000-1)
(1-1/2008)×(1-1/2007)×……×(1-1/1001)×(1-1/1000)
(1/2010-1)*(1/2009-1)*(1/2008-1)*…(1/1001-1)*(1/1000-1)=?1/1
(2012/1-1)×(2011/1-1)×(2010/1-1)×……×(1001/1-1)×(1000/1-1)
(1/2012-1)*(1/2011-1)*(1/2010-1).*(1/1000-1)
(1/2008-1)(1/2007-1)(1/2006-1)……(1/1001-1)(1/1000-1)
(1/1000-1)(1/1001-1)(1/1002-1).(1/2010-1)(1/2011-1)=
计算:(1-1/2)(1/3-1)(1-1/4)(1/5-1)……(1-1/2010)(1/2011-1)
第10届希望杯试题(1/1998-1)(1/1997-1)(1/1996-1)…(1/1001-1)(1/1000-1)