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 = 15.4
27/9*33/5 = 19.8
21/2*13/5 = 27.3
37/9*11/17 = 407/153
71/2*24/15 = 56.8
51/6*31/7 = 37. 9/14
33/7*21/3 = 33
71/3*22/11 = 47.3