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A collection of brain-teasers whose solutions require mathematics, careful observation, memory, judgment, and general knowledge.
Buy this book
Previews available in: English
Subjects
Puzzles| Edition | Availability |
|---|---|
| 1 |
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Buy this book
A collection of brain-teasers whose solutions require mathematics, careful observation, memory, judgment, and general knowledge.
Buy this book
Previews available in: English
| Edition | Availability |
|---|---|
| 1 |
aaaa
|