(1/2003-1) (1/2002-1) (1/2001-1).(1/1000-1)

分类: 作业答案 • 2021-12-19 14:53:44

问题描述：

答

(1/2003-1) (1/2002-1) (1/2001-1).(1/1000-1)
=(-2002/2003)*(-2001/2002)*(-2000/2001)*...*(-999/1000)
=999/2003