THE SUM OF THE DIGITS IN THE DIFFERENCE
OF ANY NUMBER OF TWO OR MORE DIGITS
AND A NUMBER MADE UP OF THE SAME DIGITS,
BUT ARRANGED DIFFERENTLY,
IS ALWAYS A MULTIPLE OF NINE

Now lets play guess the number. Pick any two or more digit
number. Next rearrange the digits in the number to form
a new number. One of these numbers must be larger than
the other. Subtract the smaller from the larger and circle
one of the digits in the difference that is not a nine.

For me to guess the number you circled you must tell me the
numbers that you did not circle. Enter them in the box below
in any order, but with no spaces between them.

Enter the numbers you did not circle,
no spaces please.  

Click on Calculate and I will guess the number you circled

The number you circled was

What? I didn't guess your number? You might want to check your work!

Enter the random number you picked .........................................
Enter the rearranged digits used to form the second number.    

                             
minus equals