1/3-1/6-1/12-1/24-1/48=?的简便方法

1/3-1/6-1/12-1/24 简便计算方法 1/3+1/3+1/6+1/12+1/24+1/48+1/96 计算 2/3+1/6+1/12+1/24+1/48+1/96+1/192 1/3+1/6+1/12+1/24+1/48+1/96简便计算 1/3+1/6+1/12+1/24+1/48+1/96的简便方法. 1/3-1/6-1/12-1/24-1/48-1/96 1-2/3-1/6-1/12-1/24-1/48-……1/768 1-2/3-1/6-1/12-1/24-1/48-...-1/768=? -1/3〔-1/2(-1-x)-1/6〕-1/12=-1/24 2/1+6/1+12/1+24/1+48/1 (5/12+1/6-3/4)×(-24) 1/3+1/6+1/12+1/24+1/48+1/96+1/192+1/384=? （1/3+1/6+1/12+1/24+1/48+1/96+1/192+1/384）×128 (1/3+1/6+1/12+1/24+1/48+1/96+1/192+1/384)*128的简便运算 (1/3+1/6+1/12+1/24+1/48+1/96+1/192+1/384)*128 （1/3+1/6+1/12+1/24+1/48+1/96+1/192+1/384）*128,简便计算, 1/3+1/6+1/12+1/24+……1/96简便计算 1/3+1/6+1/12+1/24+1/48怎么简便计算?