| D | I | O | D | E | S | |
| + | U | N | S | A | F | E |
| S | I | G | N | E | D |
See more puzzles containing DIODES, SIGNED or UNSAFE.
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?