Выполните действия 3 1/:2/3•1/5

[latex] \frac{3}{1} / \frac{2}{3} * \frac{1}{5}[/latex] = [latex] \frac{3}{1} * \frac{3}{2} * \frac{1}{5}[/latex] = [latex] \frac{9}{10}[/latex] = 0.9