1-(1/2)-(1/4)-(1/8)-(1/16)-(1/32)-(1/64)-(1/128)-(1/256)
问题描述:
1-(1/2)-(1/4)-(1/8)-(1/16)-(1/32)-(1/64)-(1/128)-(1/256)
简便计算
答
1-(1/2)-(1/4)-(1/8)-(1/16)-(1/32)-(1/64)-(1/128)-(1/256)=1-【(1/2)+(1/4)+(1/8)+(1/16)+(1/32)+(1/64)+(1/128)+(1/256)】=1-【(1/2)+(1/4)+(1/8)+(1/16)+(1/32)+(1/64)+(1/128)+(1/256)+(1/256)-(1/256)】=1-【(...