\[\boxed{\mathbf{290}.}\]
\[1)\ \left( 2x^{5} + 4x^{4} - 5x^{3} - 9x^{2} + 13 \right)\ :(x^{3} + 2x^{2})\]
\[2)\ \left( 3x^{5} + 2x^{4} + 3x + 7 \right)\ :\]
\[:(3x + 2)\]
\[3)\ \left( 6x^{4} + x^{3} + x \right)\ :\left( 2x^{4} - 3x^{2} \right)\]
\[4)\ \left( 15x^{6} - 5x^{4} + 6x^{3} - 1 \right)\ :\]
\[:\left( 3x^{3} - x \right)\]