[tex]4\frac{2}{3}-1\frac{1}{4}:1,2\cdot3\frac{1}{5} =\frac{14}{3}-\frac{5}{4}:\frac{12}{10}\cdot\frac{16}{5} = \frac{14}{3}-\frac{5}{4}:\frac{6}{5}\cdot\frac{5}{6} = \frac{14}{3}-\frac{5}{4}\cdot\frac{5}{6}\cdot\frac{16}{5}=\\\\=\frac{14}{3}-\frac{5}{6}\cdot4 = \frac{14}{3}-\frac{5\cdot2}{3} = \frac{14}{3}-\frac{10}{3} = \frac{4}{3} = 1\frac{1}{3}\\\\Odp. \ A. \ 1\frac{1}{3}[/tex]
