Помогите номер356 плисс 3 пример
2 11/15 * 1 1/19 - 1/19 * 3/10 - 1 1/6 * 1 1/19 = = 1 1/19 * ( 2 11/15 - 3/10 - 1 1/6)= = 1 1/19 * ( 2 22/30 - 9/30 - 1 5/30 ) = = 1 1/19 * (1 22/30 - 14/30 ) = = 1 1/19 * 1 8/30 = 1 1/19 * 1 4/15= = 20/19 * 19/15 = 4/3 = 1 1/3