简便方法计算(1+1/2)*(1+1/3)*(1+1/4)*.*(1+1/8)*(1+1/9)*(1+1/10)
问题描述:
简便方法计算(1+1/2)*(1+1/3)*(1+1/4)*.*(1+1/8)*(1+1/9)*(1+1/10)
答
=3/2*4/3*5/4*6/5*7/6*8/7*9/8*10/9*11/10=11/2=5又1/2