سلام
کد زیر رو امتحان کنید:
\begin{LTR}
\resizebox{\textwidth}{!}{$\displaystyle
\begin{array}{ccccccccccc}
{\cal M}^{(c)}(L, N) & \rightarrow & {\cal M}^{(c)}(\frac{L}{A_{n-1}}, \frac{N}{A_{n-1}}) & \rightarrow
& \frac{A_{n-1}}{A_{n}} & \rightarrow & \frac{N}{\gamma _{c+1}(N, L)} &
\rightarrow & \frac{N}{\gamma _{c+1}(N, L)+A_{n-1}} & \rightarrow & 0 \\
\downarrow \alpha _{1} & & \downarrow \alpha _{2} & & \downarrow \alpha
_{3} & & \downarrow \alpha _{4} & & \downarrow \alpha _{5} & & \\
{\cal M}^{(c)}(H, K) & \rightarrow & {\cal M}^{(c)}(\frac{H}{B_{n-1}}, \frac{K}{B_{n-1}}) & \rightarrow
& \frac{B_{n-1}}{B_{n}} & \rightarrow & \frac{K}{\gamma _{c+1}(K, H)} &
\rightarrow & \frac{K}{\gamma _{c+1}(K,H)+B_{n-1}} & \rightarrow & 0.%
\end{array}%
$}
\end{LTR}
