\[\boxed{\mathbf{4.}\mathbf{131}}\]
\[\textbf{а)}\ D = \left\{ 5\frac{2}{3};17;0,01 \right\}\]
\[\textbf{б)}\ M = \{ - 2,7;\ - \frac{7}{11};\ - 27;\ - 4,5\}\]
\[\textbf{в)}\ N =\]
\[= \left\{ - 2,7;\ - \frac{7}{11};\ 0;\ - 27;\ - 4,5 \right\}\]
\[\textbf{г)}\ B = \left\{ 5\frac{2}{3};0;17;0,01 \right\}\]
\[\textbf{д)}\ C = \{ 0\}\]