Решите пожалуйста 1.8 : 5/6
1,8 : 5/6 = 18/10 * 6/5 = (18*3)/5*5 = 54/25 = 2 4/25
1.8 : 5/6 = 1 8/10 : 5/6 = 1 4/5 : 5/6 = 9/5 * 6/5 = 54/25 = 2 4/25