\(D=\frac{18\times123+9\times4567\times2+3\times5310\times6}{1+4+7+...+55+58-410}\)
\(D=\frac{18.123+\left(9.2\right)4567+\left(3.6\right).5310}{590-410}\)
\(D=\frac{18.123+18.4567+18.5310}{180}\)
\(D=\frac{18\left(123+4567+5310\right)}{18.10}\)
\(D=\frac{10000}{10}\)
\(D=1000\)