\[\boxed{\text{166.}}\]
\[\frac{8}{4} = 2\]
\[\frac{15}{8} = 1\frac{7}{8}\]
\[\frac{11}{3} = 3\frac{2}{3}\]
\[\frac{17}{4} = 4\frac{1}{4}\]
\[\frac{10}{3} = 3\frac{1}{3}\]
\[\boxed{\text{167.}}\]
\[На\ окне\ 16\ снежинок.\]
\[\frac{1}{4}:\]
\[На\frac{1}{4}\ части\ окна\ 4\ снежинки.\]
\[16\ :4 = 4.\]
\[\boxed{\text{168.}}\]
\[Длина\ ленты\ 12\ см.\]
\[12\ :3 = 4\ (см) - длина\ \ \frac{1}{3}\ \]
\[части\ ленты.\]