\(4,8\times12,5\%+\dfrac{24}{10}\times250\%-\dfrac{6}{10}\times100\%\)
\(=\dfrac{24}{5}\times\dfrac{1}{8}+\dfrac{12}{5}\times\dfrac{5}{2}-\dfrac{3}{5}\times1\)
\(=\dfrac{3}{5}+5-\dfrac{3}{5}\)
\(=\left(\dfrac{3}{5}-\dfrac{3}{5}\right)+6\)
\(=0+6\)
\(=6\)