Решите уравнение 3 2/3 - x - 1 1/4= 1 1/12
(3)2/3 - x - (1)1/4 = (1)1/12 (3)2/3 - (1)1/4 - x = (1)1/12 (3)8/12 - (1) 3/12 - x = (1)1/12 (2)5/12 - x = (1)1/12 x = (2)5/12 - (1)1/12 x = (1)4/12 x = (1)1/3