\(A=5\frac{9}{10}:\frac{3}{2}-\left(2\frac{1}{3}.4\frac{1}{2}-2.2\frac{1}{3}\right):\frac{7}{4}\)
\(A=\frac{59}{10}:\frac{3}{2}-\left(\frac{7}{3}.\frac{9}{2}-2.\frac{7}{3}\right):\frac{7}{4}\)
\(A=\frac{59}{15}-\left(\frac{21}{2}-\frac{14}{3}\right):\frac{7}{4}\)
\(A=\frac{59}{15}-\frac{35}{6}:\frac{7}{4}\)
\(A=\frac{59}{15}-\frac{10}{3}\)
\(A=\frac{3}{5}\)