题目有误
(50分之1-1)(49分之1-1)(48分之1-1)...(3分之1-1)(2分之1-1)
=-(1-1/2)*(1-1/3)*(1-1/4)*.*(1-1/48)*(1-1/49)(1-1/50)
=-1/2*2/3*3/4*...*47/48*48/49*49/50
=-1/50
题目有误
(50分之1-1)(49分之1-1)(48分之1-1)...(3分之1-1)(2分之1-1)
=-(1-1/2)*(1-1/3)*(1-1/4)*.*(1-1/48)*(1-1/49)(1-1/50)
=-1/2*2/3*3/4*...*47/48*48/49*49/50
=-1/50