Question

4/5 * 2 1/2:6 по быстрее

Answer 1

4/5 * 2 1/2:6 =4/5*5/2:6=2/6=1/3

Answer 2

4/5 × 2 целые 1/2 ÷ 6 = 4/5 × 5/2 ÷ 6 = (4×5)/(5×2×6) = 1/3