Ответ:

[tex] \frac{9 {x}^{2} - 12xy + 4 {y}^{2} }{18x - 12y} = \frac{ {(3x - 2y)}^{2} }{6(3x - 2y)} = \frac{3x - 2y}{6} = \frac{0.6}{6} = 0.1[/tex]