mlabeledtrAside2.tex

\begin{array}{ccccc}
\frac{{a}+1}{2}  & {b} & {c} & {d} & {e} \\
{x} & \frac{2}{3} {y}+5 & {z} & {d} & {e} \\
1 & 2 & 5 & {d} & {e} \\
\end{array}