Khannaid
Answered

Solve a magic square of 3 by 3 squares
numbers are- 20  21  22  23  24  25  26  27  28 

Sagot :

AL2006id
[27]  [20]  [25]
[22]  [24]  [26]
[23]  [28]  [21]

The constant sum is 72.