(2 3/4 * 4 + 5 1/6 : 1/2 - 10 5/9 ) * 9

1) 2 3/4 * 4 = 11/4 * 4 = 112) 5 1/6 : 1/2 = 31/6 : 1/2 = 31/6 * 2/1 = 31/3 = 10 1/3 3) 11 + 10 1/3 = 21 1/3 4) 21 1/3 - 10 5/9 = 21 3/9 - 10 5/9 = 20 12/9 - 10 5/9 = 10 7/95) 10 7/9 * 9 = 97/9 * 9 = 97Ответ: 97