\(C=\dfrac{1}{1+\dfrac{1}{7+\dfrac{1}{10+\dfrac{1}{20+\dfrac{1}{1+\dfrac{1}{3}}}}}}\)
\(C=\dfrac{1}{1+\dfrac{1}{7+\dfrac{1}{10+\dfrac{1}{20+1:\dfrac{4}{3}}}}}\)
\(C=\dfrac{1}{1+\dfrac{1}{7+\dfrac{1}{10+\dfrac{1}{20+\dfrac{3}{4}}}}}\)
\(C=\dfrac{1}{1+\dfrac{1}{7+\dfrac{1}{10+\dfrac{4}{83}}}}\)
\(C=\dfrac{1}{1+\dfrac{1}{7+\dfrac{1}{\dfrac{834}{83}}}}\)
\(C=\dfrac{1}{1+\dfrac{1}{7+\dfrac{83}{834}}}\)
\(C=\dfrac{1}{1+\dfrac{1}{\dfrac{5921}{834}}}=\dfrac{1}{1+\dfrac{834}{5921}}=1:\dfrac{6755}{5921}=\dfrac{5921}{6755}\)