Ответ:
a)[tex]\frac{75}{29} *\frac{278}{29} -\frac{336}{29}*\frac{17}{29}=\frac{20850}{841} -\frac{5712}{841} =18[/tex]
б)[tex]\frac{77}{32} *\frac{179}{32} -\frac{173}{32} *\frac{275}{32} =\frac{13783}{1024} -\frac{47575}{1024} =-33[/tex]
в)[tex]\frac{427}{8} +\frac{19}{4}*\frac{15}{2} =\frac{427}{8}+\frac{285}{8} =89[/tex]
г)[tex]-16[/tex]
