Wow! Large Number!
Logic
Level
4
\[\large\begin{array}{llllllll}&&&&A&B&C&D\\\times&&&&D&C&B&A\\\hline&5&C&C&B&A&A&D\end{array}\]
What is the value of \(\overline{DCBA}-\overline{ABCD}\)?
Clarification: \(A,B,C\) and \(D\) are distinct single digits with \(A\) and \(D\) non-zero.
by
Ikkyu San