2 6/7:(5/6-9/14) по действиям

Question

2 6/7:(5/6-9/14) по действиям

Answer 1

1) 5/6 - 9/14 = 35/42 - 27/42 = 8/42 = 4/21 2) 2 6/7 : 4/21 = 20/7 × 21/4 = 5 × 3 = 15.