Выполните умножение смешанных чисел: 2 1/3×1 1/5; 2 7/9×3 3/5; 2 1/2×1 3/5; 3 7/9×1 1/17; 7 1/2×2 4/15; 5 1/6×3 1/7; 3 3/7×2 1/3; 7 1/3×2 2/11

21/3*11/5 = 15.427/9*33/5 = 19.821/2*13/5 = 27.337/9*11/17 = 407/15371/2*24/15 = 56.851/6*31/7 = 37. 9/1433/7*21/3 = 3371/3*22/11 = 47.3