Вычислите модуль 105 упражнение
А) 2/3 + 4/9 = 6/9 + 4/9 = 10/9 = 1 целая 1/9 б) 2/3 - 4/9 = 6/9 - 4/9 = 2/9 в) 3/5 - 3/25 = 15/25 - 3/25 = 12/25 г) 3/5 + 3/25 = 15/25 + 3/25 = 18/25 д) 13/16 + 5/8 = 13/16 + 10/16 = 23/16 = 1 целая 7/16 е) 13/16 - 5/8 = 13/16 - 10/16 = 3/16