1-1/2-1/4-1/8-1/16-1/32-1/64……-1/1024

问题描述:

1-1/2-1/4-1/8-1/16-1/32-1/64……-1/1024
简便过程详细在线等.急!

1-1/2-1/4-1/8-1/16-1/32-1/64……-1/1024
=1/2-1/4-1/8-1/16-1/32-1/64……-1/1024
=1/4-1/8-1/16-1/32-1/64……-1/1024
=……
=1/512-1/1024
=1/1024