1-1/2-1/4-1/8-1/16-1/32-1/64简便计算

问题描述:

1-1/2-1/4-1/8-1/16-1/32-1/64简便计算

1-1/2-1/4-1/8-1/16-1/32-1/64
=1-(1/2+1/4+1/8+1/16+1/32+1/64)
=1-(32/64+16/64+8/64+4/64+2/64+1/64)
=1-63/64
=1/64