find digits for a sum
Source: 2022 May Olympiad L1 p3
September 5, 2022
number theory
Problem Statement
Choose nine of the digits from to and place them in the boxes in the figure so that there are no repeated digits and the indicated sum is correct.
https://cdn.artofproblemsolving.com/attachments/6/2/7f06575ec70eb9ddd58c6cf9dd3cb60d306e7c.png
Which digit was not used? You can fill in the boxes so that the unused digit is other?