| R | E | A | C | T | O | R | S | |
| + | R | H | E | O | S | T | A | T |
| T | I | G | H | T | E | S | T |
See more puzzles containing REACTORS, RHEOSTAT or TIGHTEST.
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?