计算:1/8+1/24+1/48+.1/48×50
问题描述:
计算:1/8+1/24+1/48+.1/48×50
答
1/8+1/24+1/48+.1/48×50
=(1/2-1/4+1/4-1/6+1/6-1/8+……+1/48-1/50)/2
=(1/2-1/50)/2
=0.24