(1⼀1009-1)*(1⼀1010-1)*...........................................*(1⼀20009-1)*(1⼀2010-1)

计算过程
2025-02-25 11:08:52
推荐回答(1个)
回答1:

(1/1009-1)*(1/1010-1)*...........................................*(1/2009-1)*(1/2010-1)
=(-1008/1009)*(-1009/1010)*……*(-2008/2009)*(-2009/2010)
=(-1)^1002*1008/2010
=1008/2010