Question

Como se resolve essa fraçao [(3/5+2/3):(2/5)]:(4/5)=Como se resolve essa fraçao [(3/5+2/3):(2/5)]:(4/5)=

Answer 1

resolver primeiro dentro dos parentes 

[(3/5+2/3):(2/5)]:(4/5)=
[(9+10)/15:(2/5)]:(4/5)=
[19/15:(2/5)]:(4/5)=
[19 x 5]:(4/5)=
  15   2
[19x1]:(4/5)=
  3   2
[19]:(4)=
  6    5
 19 x 5=  95
  6    4     24