(4分之1+8分之3)/(4分之3*5分之2)怎样简便怎样算

问题描述:

(4分之1+8分之3)/(4分之3*5分之2)怎样简便怎样算

(1/4+3/8)/(3/4*2/5) =(2/8+3/8)/(3/10) =5/8*10/3 =25/12