7 and 5 / 9 - (3.25 + 1 and 9 / 5) - 1 and 1 / 4, 1 / 3 + 3 - (1 / 4 + 1 / 12) 3 / 50 * 99 simple calculation 27.5 * 1 / 25 / 4 In urgent need of seek

7 and 5 / 9 - (3.25 + 1 and 9 / 5) - 1 and 1 / 4, 1 / 3 + 3 - (1 / 4 + 1 / 12) 3 / 50 * 99 simple calculation 27.5 * 1 / 25 / 4 In urgent need of seek

7 and 5 / 9 - (3.25 + 1 and 9 / 5) - 1 and 1 / 4 = (7 and 5 / 9-1 and 5 / 9) - (3.25 + 1.25) = 6-4.5 = 1.53 / 1 + 3 - (1 / 4 + 1 / 12) = 3 + 1 / 3-1 / 3 = 3 / 3 * 99 = 3 / 50x100-3 / 50 = 6-3 / 50 = 5 and 47 / 5027.5 * 1 / 25 = 25x1.1x1/25 △ 4