Das große Buch der Logik Puzzles - Calcudoku 400 Hard (Band 9) von Mykola Krylov
21,41 €
KenKen (also known as "KENKEN," "KenDoku," "CalcuDoku," "Square Wisdom") is a mathematical and logical puzzle loosely similar to Sudoku. It was invented by a Japanese mathematics teacher Tetsuya Miyamoto. The objective is to fill the grid in with the digits 1 through N (where N is the number of rows or columns in the grid) such that: - Each row contains exactly one of each digit. - Each column contains exactly one of each digit. - Each bold-outlined group of cells (block) contains digits which achieve the specified result using the specified mathematical operation: addition (+), subtraction (-), multiplication (), and division (
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