[tex]0.75:\frac{1}{3} +1.28:0.04-2\frac{1}{4} *(3.5-2\frac{1}{3})+1.65\\=\frac{3}{4} *\frac{3}{1} +\frac{32}{25} *\frac{25}{1} -\frac{9}{4}*\frac{7}{6}+\frac{33}{20}=\\\frac{9}{4} +32-\frac{21}{8}+\frac{33}{20} =\\\frac{137}{4} -\frac{39}{40} =\\\frac{1331}{40}[/tex]
