(1+1/2)(1+1/3)(1+1/4)...(1+1/2009)=
问题描述:
(1+1/2)(1+1/3)(1+1/4)...(1+1/2009)=
答
原式=3/2×4/3×5/4×6/5×……×2009/2008×2010/2009
=1005.