The magic number is 2.
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You can get the magic total by squaring the number, adding 1, multiplying by the number, then dividing by 2.
Think! What if the magic square had an even number of cells. There's your answer.
Its a number that is used in magic tricks involving numbers. It is a number that can for example figure out a 3 digit number that someone else has wrote down.
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Start with a magic square which includes the number 3. Then either: Add 3 to each number, or Multiply each number by any integer other than 3.