add two short answer question, put back mvc slide

Tutorials/T11-FinalReview/document.tex

+\documentclass[12pt,fleqn]{article}
+\usepackage{graphicx}
+\usepackage{amssymb}
+\usepackage{amsmath}
+\usepackage{listings}
+\usepackage{url}
+
+\newcommand\tab[1][0.8cm]{\hspace*{#1}}
+
+\begin{document}
+	 \begin{eqnarray*}
+		\lefteqn{\forall (i, j: \mathbb{N} | 0 \leq i < 2 \wedge 0 \leq j < 2 :}\\
+		&& \exists(k, l: \mathbb{N} | 0 \leq k < 2 \wedge 0 \leq l < 2 \wedge (k \neq i \wedge l \neq j) : \\
+		&& \tab \exists(m, n: \mathbb{N} | 0 \leq m < 2 \wedge 0 \leq n < 2 
+			\wedge (m \neq k \wedge n \neq j) \\
+		&& \tab	\wedge  i - k  = -( i - m) \wedge  j - l  = -( j - n) ) : \\
+		&& \tab \tab board[i][j] = board[k][l] = board[m][n] )
+	\end{eqnarray*}
+\end{document}
\ No newline at end of file