
    Pyramid of numbers
Each brick of the pyramid is the sum of the two bricks situated below this brick.
For the three 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... If you want to see the (false) solutions which were sent to me.     
