Ответ:
\[3\cdot\left(-\frac23\right)^3+\frac{1}{(-0{,}1)^3}=3\cdot\left(-\frac{8}{27}\right)-1000=-\frac89-1000=-\frac{9008}{9}.\]
Ответ: \(-\frac{9008}{9}\).
\[3\cdot\left(-\frac23\right)^3+\frac{1}{(-0{,}1)^3}=3\cdot\left(-\frac{8}{27}\right)-1000=-\frac89-1000=-\frac{9008}{9}.\]
Ответ: \(-\frac{9008}{9}\).