[tex]0,2*(-3\frac{1}{4} +\frac{1}{4} )=0,2*(-\frac{13}{4} +\frac{1}{4} )=0,2*(-3)=-0,6\\2,25*3\frac{1}{5} -1,3=\frac{9}{4} *\frac{16}{5} -\frac{13}{10} =9*\frac{4}{5} -\frac{13}{10} =\frac{36}{5} -\frac{13}{10} =\frac{72}{10} -\frac{13}{10}=\frac{59}{10} =5\frac{9}{10}[/tex]
