Mathematical Puzzles Mathrax Puzzles - 100 Large Puzzles for Adults |
|
| Author:
| Andrews, Deborah |
| Series title: | Brain Games Ser. |
| ISBN: | 978-1-9832-2802-5 |
| Publication Date: | Jun 2018 |
| Publisher: | Independently Published
|
| Book Format: | Paperback |
| List Price: | USD $9.99 |
Book Description:
|
Mathrax consists of a square grid. The goal is to fill in each cell with numbers from 1 to N, where N is the size of the puzzle's side. No number may appear twice in any row or column. Circles with additional conditions may be situated on intersections of lines inside the grid; a circle may contain: - A number and a sign of mathematical operation (addition, subtraction, multiplication, division) - a number is a result of an operation execution with numbers in diagonally...
More Description
Mathrax consists of a square grid. The goal is to fill in each cell with numbers from 1 to N, where N is the size of the puzzle's side. No number may appear twice in any row or column. Circles with additional conditions may be situated on intersections of lines inside the grid; a circle may contain:
- A number and a sign of mathematical operation (addition, subtraction, multiplication, division) - a number is a result of an operation execution with numbers in diagonally adjacent cells.
- A letter "E" ("even") - all numbers in four cells are even.
- A letter "O" ("odd") - all numbers in four cells are odd.