Tính giá trị biểu thức 1/6 + 1/4 : 2/3 =

\(\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{13}\\\hline{24}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{27}\\\hline{20}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{36}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{19}\\\hline{45}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{16}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}9\\\hline8\end{array}{\rm{ = 1}}\)

\(\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}4\\\hline9\end{array}{\rm{ = }}\begin{array}{*{20}{c}}4\\\hline5\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{11}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{11}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline{10}\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{28}\\\hline{45}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}9\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{13}\\\hline{162}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{16}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{15}\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}7\\\hline{66}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{14}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}4\\\hline7\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}9\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}2\\\hline{105}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}7\\\hline9\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{14}\\\hline{15}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{23}\\\hline{24}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}4\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{20}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ = }}\begin{array}{*{20}{c}}9\\\hline{20}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}7\\\hline{18}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{53}\\\hline{56}\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline{15}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{16}\\\hline{45}\end{array}\)

\[\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}6\\\hline5\end{array}{\rm{ = }}\begin{array}{*{20}{c}}9\\\hline{28}\end{array}\]

\(\begin{array}{*{20}{c}}8\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}9\\\hline{10}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}4\\\hline{45}\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ }}:{\rm{ }}2{\rm{ = }}\begin{array}{*{20}{c}}{11}\\\hline{12}\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline{11}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{77}\\\hline{60}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{32}\\\hline{77}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}3\\\hline2\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{26}\\\hline{95}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{10}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{19}\\\hline{66}\end{array}\)

\(\begin{array}{*{20}{c}}4\\\hline{15}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{18}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline9\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{31}\\\hline{60}\end{array}\)

\(\begin{array}{*{20}{c}}{14}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline5\end{array}{\rm{ }}:{\rm{ }}18{\rm{ = }}\begin{array}{*{20}{c}}9\\\hline{10}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{ }}:{\rm{ }}2{\rm{ = }}\begin{array}{*{20}{c}}1\\\hline8\end{array}\)

\(\begin{array}{*{20}{c}}{14}\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{19}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}5\\\hline3\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{64}\\\hline{95}\end{array}\)

\(\begin{array}{*{20}{c}}2\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}9\\\hline8\end{array}{\rm{ = }}\begin{array}{*{20}{c}}{22}\\\hline{45}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{13}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{15}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{*{20}{c}}{52}\\\hline{45}\end{array}{\rm{ = }}\begin{array}{*{20}{c}}6\\\hline{13}\end{array}\)