\(=\left(18+\dfrac{1}{6}-\left(\dfrac{3}{50}:\dfrac{15}{2}+\dfrac{17}{5}\cdot\dfrac{38}{100}\right)\right):\left(19-\dfrac{8}{3}\cdot\dfrac{19}{4}\right)\)
\(=\left(\dfrac{109}{6}-\dfrac{13}{10}\right):\left(19-\dfrac{38}{3}\right)\)
\(=\dfrac{253}{15}:\dfrac{19}{3}=\dfrac{253}{95}\)
\(\left[18\dfrac{1}{6}-\left(0,06:7\dfrac{1}{2}+3\dfrac{2}{5}.0,38\right)\right]:\left(19-2\dfrac{2}{3}.4\dfrac{2}{4}\right)\)
\(=\left[\dfrac{109}{6}-\left(\dfrac{6}{100}:\dfrac{15}{2}+\dfrac{17}{5}.\dfrac{38}{100}\right)\right]:\left(19-\dfrac{8}{3}.\dfrac{19}{4}\right)\)
\(=\left[\dfrac{109}{6}-\left(\dfrac{3}{50}.\dfrac{2}{15}+\dfrac{17}{5}.\dfrac{19}{50}\right)\right]:\left(19-\dfrac{38}{3}\right)\)
\(=\left[\dfrac{109}{6}-\left(\dfrac{2}{250}+\dfrac{323}{250}\right)\right]:\dfrac{19}{3}\)
\(=\left(\dfrac{109}{6}-\dfrac{13}{10}\right).\dfrac{3}{19}\)
\(=\dfrac{506}{30}.\dfrac{3}{19}\)
\(=\dfrac{253}{95}\)
