| A | L | T | E | R | I | N | G | |
| + | E | X | T | E | R | I | O | R |
| N | A | T | I | O | N | A | L |
See more puzzles containing ALTERING, EXTERIOR or NATIONAL.
Would you like to see the solution?
The rules for cryptarithm puzzles are simple. Each letter represents one of the digits 0 to 9. Different letters represent different digits. The first digit in a number can't be 0. Your job is to find out what digit each letter represents. Can you solve the puzzle shown here?