CISRA Puzzle Competition 2007 - Hints
This is the archive of the 2007 Puzzle Competition. Please visit the current competition site for information about the latest Puzzle Competition.
- The puzzle would be the same without the parentheses - they are included
solely for convenience.
- Performing arithmetic calculations is the wrong approach. And yet, a
calculator may come in very handy.
- Numerical values are irrelevant; what's relevant is how the digits are