Ответ:18 + 18 = 36.16 + 16 = 32.35 + 37 = 72.45 + 46 = 91.57 + 27 = 84.39 + 59 = 98.12 + 19 + 9 = 12 + (19 + 9) = 12 + 28 = 40.17 + 18 + 5 = 17 + (18 + 5) = 17 + 23 = 40.