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