Т) −5,4 · (−1 2/9) : 3,75 · (−4 1/6)

Преобразуем числа: \(-5.4=-\frac{27}{5}\), \(-1\frac29=-\frac{11}{9}\), \(3.75=\frac{15}{4}\), \(-4\frac16=-\frac{25}{6}\).

\[-\frac{27}{5}\cdot\left(-\frac{11}{9}\right):\frac{15}{4}\cdot\left(-\frac{25}{6}\right)=-\frac{55}{6}.\]

Ответ: \(-9\frac{1}{6}\).