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The multiplication of natural numbers |
| Operations with natural numbers II | |
| 11. Complete this multiplication 4x4 magic square. | ||
In every 4x4 magic square you will also get the same product by multiplying: the four central numbers, the four numbers in the corners of the square and the four squares that can be formed with 4 cells in the corners.
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| Eduardo Barbero Corral | ||
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| Spanish Ministry of Education. Year 2007 | ||

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