其它
$3+\dfrac{1}{1+\dfrac{1}{5+\dfrac{1}{16}}}=\left( \textbackslash{} \textbackslash{} \textbackslash{} \textbackslash{} \right).$ 
Overseas Competition->Knowledge Point->Calculation Modules->Fractions->Complex Fractions
$=3+\dfrac{1}{1+\dfrac{1}{\dfrac{81}{16}}}$  $=3+\dfrac{1}{1+\dfrac{16}{81}}$  $=3+\dfrac{1}{\dfrac{97}{81}}$  $=3+\dfrac{81}{97}$  $=\dfrac{372}{97}$ 