Ответ:\(5\frac{1}{3}:\frac{8}{9}=\frac{16}{3}\cdot\frac{9}{8}=6\).\(5\frac{1}{3}:(\frac{8}{9}:\frac{1}{3})=\frac{16}{3}:\frac{8}{3}=2\).Ответ: 1) 6; 2) 2.