作业帮1/2+1/4+1/8+1/16+1/31+1/62+1/124+1/248+1/496
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/29 13:30:05
1/2+1/4+1/8+1/16+1/31+1/62+1/124+1/248+1/496
1/2+1/4+1/8+1/16+1/31+1/62+1/124+1/248+1/496
1/2+1/4+1/8+1/16+1/31+1/62+1/124+1/248+1/496
原式=
(1+2+4+8)/16 +(1+2+4+8+16)/496=
15/16+31/(31×16)=15/16+1/16=1