Вопрос:

8). 7/9 : 1 1/6 + 2.7 : (-0.1) - 4 1/3 * (-4)

Ответ:

1. Convert mixed numbers and decimals to fractions: 7/9 : 7/6 + 27/10 : (-1/10) - 13/3 * (-4).
2. Perform divisions and multiplication: 7/9 * 6/7 + 27/10 * (-10) - 13/3 * (-4) = 6/9 - 27 + 52/3.
3. Simplify and combine terms: 2/3 - 27 + 52/3 = (2/3 + 52/3) - 27 = 54/3 - 27 = 18 - 27 = -9.
Final Answer: -9