Вычислите:4/45:(12/25-4/15)+15/16*4/15
Пж решите

4/45 : (12/25 - 4/15) + 15/16 * 4/15 = 2/31) 12/25 - 4/15 = 36/75 - 20/75 = 16/752) 4/45 : 16/75 = 4/45 * 75/16 = (1*5)(3*4) = 5/123) 15/16 * 4/15 = 4/16 = 1/44) 5/12 + 1/4 = 5/12 + 3/12 = 8/12 = 2/3