Pyramid

  • strict warning: Only variables should be assigned by reference in /mnt/web118/d3/21/540721/htdocs/sachsentext/sites/all/modules/links/links_related.module on line 197.
  • strict warning: Only variables should be assigned by reference in /mnt/web118/d3/21/540721/htdocs/sachsentext/sites/all/modules/links/links_related.module on line 433.
  • strict warning: Only variables should be assigned by reference in /mnt/web118/d3/21/540721/htdocs/sachsentext/sites/all/modules/links/links.inc on line 1450.
  • strict warning: Only variables should be assigned by reference in /mnt/web118/d3/21/540721/htdocs/sachsentext/sites/all/modules/links/links.inc on line 1450.

Fill the grid with the digits 1 to 9. The number in a cell must be the sum or the difference of the numbers in the both cells below the number. Each gray row has no repeated number. Each white row has at least one number that is repeated.

Pyramid