1.

Using the numbers from 5 to 13 construct a 3 × 3 magic square. What is the magic sum here? What relation is there between the magic sum and the number in the central cell?

Answer»

Magic sum is 27 

Central number is 9 

We have ⇒ 27 = 3 × 9 

Magic sum is 3 times the central number.

12510
7911
8136


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