[tex] a).\frac{1}{10} \\ 1). \frac{1*0,5}{10*0,5} = \frac{0,5}{5} =\ \textgreater \ \frac{1}{10} = \frac{0,5}{5} \\ 2). \frac{1:0,4}{10:0,4} = \frac{2,5}{25} =\ \textgreater \ \frac{1}{10} = \frac{2,5}{25} \\ b). \frac{8}{5} \\ \ 1). \frac{8*0,5}{5*0,5} = \frac{4}{2,5} =\ \textgreater \ \frac{8}{5}= \frac{4}{2,5} \\ 2). \frac{8:0,4}{5:0,4} = \frac{20}{12,5} =\ \textgreater \ \frac{8}{5}= \frac{20}{12,5} [/tex]
