CalcuDoku Mixed Grids - Medium - Volume 3 - 276 Puzzles by Nick Snels (English)
18,93 €
CalcuDoku is a fun way for kids and adults to practice addition, subtraction, multiplication, and division facts. This book is ideal for you if you already know how to solve CalcuDoku puzzles but you find our hard CalcuDoku puzzles too difficult.
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