5 целых 2/3:1/3-1целая 1 7/16*6
5 2/3 ÷ 1/3 - 1 17/16 × 6 = 17/3 ÷ 1/3 - 33/16 × 6 = 17 - 99/8 = 17 - 12, 375 = 4, 625