What, you don't believe that ?
Choose a random two digit number (e.g. 28).
Add the two digits (2+8=10).
Subtract the result from the number (28-10=18).
Remember the result (18).
What, you don't believe that ? Add the two digits (2+8=10). Subtract the result from the number (28-10=18). Remember the result (18). |
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