About this document
Subtraction Pyramid Puzzle Guide by arcbpl is a document available to read on EtoBox.
The document describes a puzzle called Subaddo Pyramid where numbers between 1 and 12 are arranged in descending triangles. Each group of three connected numbers must satisfy the rule that two of the numbers add or subtract to equal the third number, with no repeats horizontally or diagonally.
- Author
- arcbpl
- Language
- EN