Maths Small Puzzles: Mathrax Puzzles - The Best Japanese Puzzles Collection: 1 (Math Puzzle Books) - Softcover

Heldt, Jeff

Softcover

ISBN 10: 1719899207 ISBN 13: 9781719899208

Publisher: Independently published, 2018

Synopsis

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.

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Edition details

• Publisher: Independently published
• Publication date: 2018
• Language: English
• ISBN 10: 1719899207
• ISBN 13: 9781719899208
• Binding: Paperback
• Number of pages: 115