Question

Помогите решить пример

Answer 1

1) - 1 6/7 * 2 1/3 = - 13/7 * 7/3 = - 13/3 
2) - 13/3 * 2 1/13 = - 13/3 * 27/13 = - 27/3 = - 9

Answer 2

Спасибо!

Answer 3

-13/7*7/3*27/13=- 27/3=-9