((3целых 1/3-1целая 2/5): 3целых 2/9+1целая 1/2)*1целую 3/7
((10/3 -7/5) ÷ 29/9 + 3/2)×10/7 = ((50/15 - 21/15): 29/9 + 3/2)×10/7 = (29/9×9/29 + 3/2)×10/7 = (9/15 + 3/2)×10/7 = 9/15×10/7 + 3/2×10/7 = 3/7 + 15/7 = 18/7 = 2 целых 4/7