You searched for:
“or 345”
Come up with any three numbers in sequence; for example, 123, or 345, or 456, etc.
Reverse the numbers that you chose and subtract the smaller number from the larger number.
The result will always be 198. For example, 123 would become 321; subtract 123 from 321, and the answer is 198.
Try it and see for yourself.
This entry is located in the following unit:
Number Challenges
(page 1)