Two digit additions 2/1

1. $\begin{array}{r}
&11\\
+\!\!\!\!\!\,&12\\
\hline
\end{array}$


2. $\begin{array}{r}
&12\\
+\!\!\!\!\!\,&14\\
\hline
\end{array}$


3. $\begin{array}{r}
&13\\
+\!\!\!\!\!\,&14\\
\hline
\end{array}$


4. $\begin{array}{r}
&12\\
+\!\!\!\!\!\,&17\\
\hline
\end{array}$


5. $\begin{array}{r}
&13\\
+\!\!\!\!\!\,&15\\
\hline
\end{array}$


6. $\begin{array}{r}
&16\\
+\!\!\!\!\!\,&13\\
\hline
\end{array}$


7. $\begin{array}{r}
&19\\
+\!\!\!\!\!\,&12\\
\hline
\end{array}$


8. $\begin{array}{r}
&18\\
+\!\!\!\!\!\,&12\\
\hline
\end{array}$


9. $\begin{array}{r}
&14\\
+\!\!\!\!\!\,&18\\
\hline
\end{array}$


10. $\begin{array}{r}
&15\\
+\!\!\!\!\!\,&17\\
\hline
\end{array}$