{-1/12-1/36+3/4-1/6}成{-48}的简便方法

问题描述:

{-1/12-1/36+3/4-1/6}成{-48}的简便方法

{-1/12-1/36+3/4-1/6}成{-48}=1/12x48+1/36x48-3/4x48+1/6x48=4+4/3-36+8=13又1/3-36=-22又2/3