Question

1) construct a magic square by using numbers form 1 to 9
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Answer 1

Answer:

816

357

492

magin sum =15

5×3=15

central number -5

Answer 2

Answer:

You can assemble the numbers 1 to 9 in a square, so that the sum of the rows, the columns, and the diagonals is 15.

If you take the numbers 1 to 9, you have the standard square.

.............8+c....1+c....6+c..............

.............3+c....5+c....7+c..............

.............4+c....9+c....2+c..........A magic square remains magic, if you change each numbers by a constant c. You add c on the left. You can also subtract, multiply or divide.

So the magic square here is

So the magic square here is 8 1 6

So the magic square here is 8 1 6 3 5 7

So the magic square here is 8 1 6 3 5 7 4 9 2