Question

计算(1-1/2)* (1-1/3)*(1-1/4)*······(1-1/2006)*(1-1/2007)

Answer 1

1-1/2)* (1-1/3)*(1-1/4)*······(1-1/2006)*(1-1/2007)=1/2X2/3X3/4...X2006/2007=1/2007