(+1.25)+(-2分之1)+(-4分之3)+(+1又4分之3)
问题描述:
(+1.25)+(-2分之1)+(-4分之3)+(+1又4分之3)
答
(+1.25)+(-2分之1)+(-4分之3)+(+1又4分之3)
=1.25-0.5-0.75+1.75=1.75