Number puzzles
3 methods in the atlas attack this one problem. They are rivals: each wins something the others do not.
Phrasings that mean this problem
Arithmetic puzzleNumber arrangement
puzzles-recreational
- Cryptarithm solvingDigit-assignment backtrackingstandardpuzzles-recreational
- Twenty-four gameExpression enumerationstandardpuzzles-recreational
- Magic square constructionSiamese methodstandardpuzzles-recreational