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Game Magic Square

Game rules:
  • 1. Choose a number bigger than 9, for example 72;
  • 2. From it subtract the sum of the its digits [ 72 - (7 + 2) = 63 ]
  • 3. Find out the letter that is next to the result.
  • 4. Remember the letter and press the result button.
  • 5. If the result is correct you will see the letter.
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