[tex]-12(3)-(\frac{4}{5} - 3,2)=-36-(0,8-3,2)=-36-(-2,4)=-36+2,4=-33,6[/tex]
[tex]\frac{4,2*(5\frac{2}{3})+13+8 }{-5} =\frac{\frac{21}{5}*\frac{17}{3}+21}{-5}=\frac{\frac{119}{5}+21 }{-5} =-8\frac{24}{25}[/tex]