2010*(1-1/2)*(1-1/3)*…*(1-1/2010)=?(*=乘号)
问题描述:
2010*(1-1/2)*(1-1/3)*…*(1-1/2010)=?(*=乘号)
答
2010*(1-1/2)*(1-1/3)*…*(1-1/2010)
=2010*(1/2)*(2/3)*…*(2009/2010)
=2010*(1/2010)
=1