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| | | | Pyramid of numbers
Each brick of the pyramid is the sum of the two bricks situated below this brick.
For the tree missing numbers at the base of the pyramid : the one of the middle is the sum of the two other. How can we fill the pyramid of numbers? Congratulations Charly'svice on his solution of the 08/21/02 but don't look at it, it's always better to find oneself...
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