Срочно номер 1136 под буквой Г
(15:15/4-(21/2:3/2)*3/14):(75/52-5/4)= 13 1) 21/2:3/2= 21/2*2/3= 7 2) 7*3/14= 3/2 3) 15:15/4= 15*4/15= 4 4) 4-3/2= 8/2-3/2= 5/2 5) 75/52-5/4= 75/52-65/52= 10/52= 5/26 6) 5/2:5/26= 5/2*26/5= 26/2= 13