Question

(5 5/9):(2 13/30-2 1/12)*3,6=

Answer 1

(5 5/9):(2 13/30-2 1/12)*3,6=
(50/9):(73/30-25/12)*3,6=
(50/9):((73*2-25*5)/60)*3,6=
(50/9):(21/60)*3,6=
(50/9)*(60/21)*3,6=
(50/9)*(21/60)*36/10=
50*21*36/(9*60*10)=разложим на простейшие множители
10*5*21*9*4/( 9*10*6*5*2)=
21*4/( 6*2)=
7*3*2*2/3*2*2=7