1/2+1/4+1/8+1/16+1/32+…+1/1024=?

问题描述:

1/2+1/4+1/8+1/16+1/32+…+1/1024=?
1/2+1/4+1/8+1/16+1/32+…+1/1024=?

1/2+1/4=1-1/4=3/4
1/2+1/4+1/8=1-1/8=7/8
类推
1/2+1/4+1/8+1/16+1/32+…+1/1024=1-1/1024=1023/1024