1. $\begin{array}{r}
&9\\
-\!\!\!\!\!\,&4\\
\hline \\
\hline
\end{array}$
2. $\begin{array}{r}
&8\\
-\!\!\!\!\!\,&3\\
\hline \\
\hline
\end{array}$
3. $\begin{array}{r}
&4\\
-\!\!\!\!\!\,&1\\
\hline \\
\hline
\end{array}$
4. $\begin{array}{r}
&7\\
-\!\!\!\!\!\,&6\\
\hline \\
\hline
\end{array}$
5. $\begin{array}{r}
&8\\
-\!\!\!\!\!\,&4\\
\hline \\
\hline
\end{array}$
6. $\begin{array}{r}
&9\\
-\!\!\!\!\!\,&3\\
\hline \\
\hline
\end{array}$
7. $\begin{array}{r}
&7\\
-\!\!\!\!\!\,&5\\
\hline \\
\hline
\end{array}$
8. $\begin{array}{r}
&7\\
-\!\!\!\!\!\,&2\\
\hline \\
\hline
\end{array}$
9. $\begin{array}{r}
&5\\
-\!\!\!\!\!\,&2\\
\hline \\
\hline
\end{array}$
10. $\begin{array}{r}
&8\\
-\!\!\!\!\!\,&5\\
\hline \\
\hline
\end{array}$
&9\\
-\!\!\!\!\!\,&4\\
\hline \\
\hline
\end{array}$
2. $\begin{array}{r}
&8\\
-\!\!\!\!\!\,&3\\
\hline \\
\hline
\end{array}$
3. $\begin{array}{r}
&4\\
-\!\!\!\!\!\,&1\\
\hline \\
\hline
\end{array}$
4. $\begin{array}{r}
&7\\
-\!\!\!\!\!\,&6\\
\hline \\
\hline
\end{array}$
5. $\begin{array}{r}
&8\\
-\!\!\!\!\!\,&4\\
\hline \\
\hline
\end{array}$
6. $\begin{array}{r}
&9\\
-\!\!\!\!\!\,&3\\
\hline \\
\hline
\end{array}$
7. $\begin{array}{r}
&7\\
-\!\!\!\!\!\,&5\\
\hline \\
\hline
\end{array}$
8. $\begin{array}{r}
&7\\
-\!\!\!\!\!\,&2\\
\hline \\
\hline
\end{array}$
9. $\begin{array}{r}
&5\\
-\!\!\!\!\!\,&2\\
\hline \\
\hline
\end{array}$
10. $\begin{array}{r}
&8\\
-\!\!\!\!\!\,&5\\
\hline \\
\hline
\end{array}$
