MathDB

3

Part of 1998 Flanders Math Olympiad

Problems(1)

Magical squares (flanders '98)

Source:

8/9/2004
a magical 3×33\times3 square is a 3×33\times3 matrix containing all number from 1 to 9, and of which the sum of every row, every column, every diagonal, are all equal. Determine all magical 3×33\times3 square
linear algebramatrixgeometrygeometric transformationrotation