Найдите значение выражения 2*1/13*1 4/9-5 1/6:2 7/12
2 * 1/3 * 1 4/9 - 5 1/6 ÷ 2 7/12 = 2 * 1/3 * 13/9 - 31/6 ÷ 31/12 = 2/3 * 13/9 - 31/6 ÷ 31/12 = 26/27 - 31/6 ÷ 31/12 = 26/27 - 31/6 * 12/31 = 26/27 - 2 НОК(27,1) = 27 (26*1 - 2*27)/27 = (26 - 54)/27 = - 28/27 = - 1 1/27