2\1+4\1+8\1+16\1+32\1?

来源：学生作业帮助网编辑：六六作业网时间：2024/12/25 16:14:23

2\1+4\1+8\1+16\1+32\1?2\1+4\1+8\1+16\1+32\1?2\1+4\1+8\1+16\1+32\1?(1-1/2)+(1/2-1/4)+(1/4-1/8)+(1/8-1

2\1+4\1+8\1+16\1+32\1?
2\1+4\1+8\1+16\1+32\1?

2\1+4\1+8\1+16\1+32\1?
(1-1/2)+(1/2-1/4)+(1/4-1/8)+(1/8-1/16)+(1/16-1/32)=1-1/2+1/2-1/4+1/4-1/8+1/8-1/16+1/16-1/32=1-1/32=31/32

31/32