magic square

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magic square

Postby yandon » Mon Mar 18, 2024 9:30 am

Fill in the following figure with seven natural numbers so that the sum of the three numbers in each row, column, and two diagonal lines equals 21.

it is "huanfang" in chinese
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Re: magic square

Postby Guest » Tue Mar 19, 2024 12:44 am

8| 2| 11 |
10 | 7| 4 |
3 |12 |6 |
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