2 1/3 : х - 1 1/6 = 1 5/9 Решите СРОЧНО!
2 1/3 : х - 1 1/6 = 1 5/9 2 1/3 : х = 1 5/9 + 1 1/6 2 1/3 : х = 2 13/18 х = 2 1/3 : 2 13/18 х = 2 1/3 Как решалось: 1) 1 5/9 + 1 1/6 = 1 10/18 + 1 3/18 = 2 13/18 2) 2 1/3 : 2 13/18 = 7/3 : 49/18 = 7/3 × 18/49 = 126/54 = 2 18/54 = 2 1/3