CONO-SUR 2009 Problem 1
The four circles in the figure determine 10 bounded regions. numbers summing to are written in these regions, one in each region. The sum of the numbers contained in each circle is equal to (the same quantity for each of the four circles). Determine the greatest and smallest possible values of .
Attachments:
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.