2. Вычислите: 4/5 : 5/24 * 25/32.

(4/5) / (5/24) * (25/32) = (4/5) * (24/5) * (25/32) = (4 * 24 * 25) / (5 * 5 * 32) = (4 * 24 * 25) / (25 * 32) = (4 * 24) / 32 = 96 / 32 = 3