Math About

The Magic 1089 Trick

1. Pick any three-digit number, where the first and last digits are different (e.g., 532).

2. Reverse the digits (e.g., 235).

3. Subtract the smaller number from the larger one:

4. Reverse the result (e.g., 792).

5. Add the reversed number to the original result:

No matter what three-digit number you start with, you'll always end up with 1089!