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the game of crossed numbers
Instructions: to resolve the game you have to put the numbers required in the grid. You have three hints: the sum of each row is on the right, the sum of each column is on the bottom and you also have the sum of the diagonal.
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The number in diagonal answers next question:
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Change the value of the cells clicking on them.
Push next button when you think the grid is solved is a creation of David Puertas and Bernat Puertas. Illustrations: Laura Borrās