Here's a recipe for making your own 3 X 3 magic number square. So do both diagonals!īack to Top A Recipe for Your Own 3 X 3 Magic Square So do both diagonals!Įvery row and column sums to 34 in this magic square. This is possible because the middle digit will always be 9, and the other two digits will always sum to 9! So to get the digit other than the middle one (which is 9) and other than the digit that your friend tells you, just subtract the digit your friend tells you from 9, and that is the unknown digit.Įvery row and column sums to 15 in this magic square.
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