Найдите значение выражения (2 1/2+1 1/3):1/6-5 3/7

2 1/2 + 1 1/3=2 3/6 + 1 2/6= 3 5/63 5/6 : 1/6= 23/6 * 6/1 = 23/1 = 2323 - 5 3/7 = 17 4/7Ответ: 17 4/7

(2 1/2 + 1 1/3) : 1/6 - 5 3/7 = ((2 + 1) + (1/2 + 1/3)) * 6 - 38/7 = (3 + 5/6) * 6 - 38/7 = 3 5/6 * 6 - 38/7 = 23/6 * 6 - 38/7 = 23 - 38/7 = 17 4/7