Ответ:
\[-2\frac{1}{3}=-\frac{7}{3}.\]
\[\left(-\frac{7}{3}\right)^2=\frac{49}{9}=5\frac{4}{9}.\]
Ответ: \(\frac{49}{9}\) или \(5\frac{4}{9}\).
\[-2\frac{1}{3}=-\frac{7}{3}.\]
\[\left(-\frac{7}{3}\right)^2=\frac{49}{9}=5\frac{4}{9}.\]
Ответ: \(\frac{49}{9}\) или \(5\frac{4}{9}\).