(9 1/3 : 3 1/2)×3 3/4 - 8 2/7=
1) 9 1/3 : 3 1/2 = 28/3 : 7/2 = 8/3 2) 8/3 • 3 3/4 = 8/3 • 15/4 = 10 3) 10 - 8 2/7 = 1 5/7 Ответ 1 5/7