[tex]-12,4-2,4:(-2 \frac{2}{3})+2 \frac{2}{3}*(-0,9)-0,1 =\\\\=- 12,4-\frac{2 4}{10}:(- \frac{8}{3})+ \frac{\not{8}^4}{\not{3}^1}*(-\frac{ \not{9}^3}{\not{10}^5})-0,1=\\\\=- 12,4-\frac{\not{12}^3}{5}*(- \frac{3}{\not{8}^2})- \frac{12}{5} -0,1 =\\\\=-12,4+\frac{9}{10}-2,4-0,1 =\\\\=-12,4+0,9-2,5=-11,5-2,5=-14[/tex]