Ответ Автор - svetazuna Пошаговое объяснение:(1 3/10 + 1/5) * 4 - 1 1/3 = = (1 3/10 + 2/10) * 4 - 1 1/3 = = 1 5/10 * 4 - 1 1/3 = = 1 1/2 * 4 - 1 1/3 = = 3/2 * 4 - 1 1/3 = = 3 * 2 - 1 1/3 = = 6 - 1 1/3 = = 5 3/3 - 1 1/3 = 4 2/3