\(\left(-\frac{2}{5}+\frac{3}{10}\right):\left(\frac{2}{-5}+|-\frac{4}{3}-2|\right)\)
\(=\left(-\frac{4}{10}+\frac{3}{10}\right):\left(\frac{2}{-5}+|-\frac{4}{3}-\frac{6}{3}|\right)\)
\(=-\frac{1}{10}:\left(-\frac{2}{5}+\frac{10}{3}\right)\)
\(=-\frac{1}{10}:\left(-\frac{6}{15}+\frac{50}{15}\right)=-\frac{1}{10}:\frac{44}{15}=-\frac{3}{88}\)
\(\left(\frac{-2}{5}+\frac{3}{10}\right)\div\left(\frac{2}{-5}+\left|-\frac{4}{3}-2\right|\right)\)
\(=\frac{-1}{10}\div\left(\frac{-2}{5}+\left|\frac{-10}{3}\right|\right)\)
\(=\frac{-1}{10}\div\left(\frac{-2}{5}+\frac{10}{3}\right)\)
\(=\frac{-1}{10}\div\frac{44}{15}\)
\(=\frac{-3}{88}\)
\(=\left(-\frac{2}{5}+\frac{3}{10}\right):\left(-\frac{2}{5}+\left|-\frac{10}{3}\right|\right)\)
\(=\left(-\frac{2}{5}+\frac{3}{10}\right):\left(-\frac{2}{5}+\frac{10}{3}\right)\)
\(=\left(-\frac{2}{5}+\frac{3}{10}\right):\frac{44}{15}\)
\(=-\frac{1}{10}:\frac{44}{15}\)
\(=-\frac{3}{88}\)