Resposta :
[tex]\Large{\boxed{ \frac{( \frac{1}{2} . \frac{19}{7} )}{( \frac{2}{4} - \frac{1}{6} )} +3= \frac{ \frac{19}{14} }{ \frac{1}{3} } +3= \frac{19}{14} . \frac{3}{1} +3= \frac{57}{14} +3= \frac{99}{14} }}[/tex]
(1\2 x 19\7) : (2\4 - 1\6) + 3