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The Big Book of Logic Puzzles - Mathrax 400 Hard (Volume 57) Mykola Krylov
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The Big Book of Logic Puzzles - Mathrax 400 Hard (Volume 57)
Mykola Krylov
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 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.
| Media | Books Paperback Book (Book with soft cover and glued back) |
| Released | April 26, 2017 |
| ISBN13 | 9781546316039 |
| Publishers | Createspace Independent Publishing Platf |
| Pages | 272 |
| Dimensions | 152 × 229 × 14 mm · 367 g |
| Language | English |
