\[\frac{\left( 2x^{2}y^{2}z^{3} \right)^{3} \cdot \left( - 3yz^{4} \right)^{2}}{yx^{2}z^{5} \cdot \left( - 5y^{2}\text{xz} \right)^{2}} =\]
\[= \frac{8x^{6}y^{6}z^{9} \cdot 9y^{2}z^{8}}{yx^{2}z^{5} \cdot 25y^{4}x^{2}z^{2}} = \frac{72x^{6}y^{8}z^{17}}{25x^{4}y^{5}z^{7}} =\]
\[= 2,88x^{2}y^{3}z^{10}\]