(8 5/7-6 5/6÷1 5/36)×4/19

(8 5/7- 6 5/6: 1 5/36)*4/19=4.71) 6 5/6 : 1 5/36 = 41/6 * 36/41 = 62) 8 5/7 - 6 = 2 5/7 3) 2 5/7 * 4/19 = 19/7 * 4/19 = 4.7