Note: Numbers in parentheses are examples.
Write down a 4-digit number. (1647)
Flip around the digits. (4671)
Subtract the smaller from the larger. (3024)
Take out a non-zero digit. (302)
Flip around the digits. (230)
Post that last result and I will tell you which digit you took out!
197
EDIT: Aha, I found your secret! Without Google!
792.
Hehe, I too figured it out after doing it a few times.
calc84maniac wrote:
foamy3: 1
Kerm: 9
Yep, good job.
Very good. The thing that tipped me off was when it said to remove a nonzero digit.
I got it from some 7-up thing on the web.
It was pretty easy to figure out how it worked.
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