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This is an intriguing and original puzzlebook where unknown numbers have to be identified by using a series of cryptic clues. Logical thinking and systematic detective work is required and these puzzles offer a fine way to reinforce the meaning of mathematical words and to investigate and appreciate the ever fascinating properties of numbers.
- Format: Pocket/Paperback
- ISBN: 9781899618330
- Språk: Engelska
- Antal sidor: 56
- Utgivningsdatum: 1999-04-01
- Förlag: Tarquin Publications