Решить ! (5,4*(-3 1/3)+13,8): 1 13/15+3 5/6

1) 5,4 * (- 3 1/3) = 27/5 * (- 10/3) = - 18
2) - 18 + 13,6 = - 4,4
3) - 4,4 : 1 13/15 = - 42/5 : 28/15 = - 9/2
4) - 9/2 + 3 5/6 = - 9/2 + 23/6 = - 27/6 + 23/6 = - 4/6 = - 2/3
ответ: - 2/3.