(3/8- 7/12)*3,6+(5/18+2/27): 1 11/27 ,по ! /-это дробь

(3/8 - 7/12) * 3,6 + (5/18 + 2/27) / 1 11/27 = (9/24 - 14/24) * 36/10 +(15/54 + 4/54) / 38/27 = - 5/24 * 18/5 + 19/54 / 38/27 = - 3/4 + 1/4 = - 2/4 = - 0,5