# Magic Square!

Level pending

The above $$3$$ by $$3$$ square have letters A to I. Substitute these letters with numbers $$1$$ through $$9$$ without repeitition such that all their rows, columns, and diagonals adds up to the same value.

Let

$$a$$ denote as the value of the sum of each row, column, or diagonal,

$$b$$ denote as the value of the middle number (i.e. E),

$$c$$ denote the sum of the four corner numbers.

Evaluate $$a+b+c$$

Picture Source File: 3 by 3 square

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