human
Add integers up to 4 digits using a written method where carrying is needed What number should replace the star? \begin{tabular}{|c|c|c|c|c|}
\hline & \( 4 \) & \( 2 \) & \(5\) & \(4\)\\
\hline+ & \( 2 \) & \(\bigstar\)  & \(7\) & \(1\) \\
\hline \(\space\) & \(6\) & \(3\) & \(2\) & \(5\)
\end{tabular} \( 6 \)
gpt
When solving a problem that requires an inverse operation (e.g. missing number problems), does the original operation