36 : (-1 2/7) + 2 5/6 = -25 1/6
1) 36 : (-1 2/7) = 36 : (-9/7) = 36 · (-7/9) = 4 · (-7) = -28;
2) -28 + 2 5/6 = -(27 6/6 - 2 5/6) = -25 1/6.
ответ: -25 целых 1/6.
