Fascinating problems and logical puzzles will keep you from getting bored and will answer your curious questions: - How to measure length with a coin? - How to easily divide a number by 11? - Why is a three-legged table sturdier than a...
regular one? - How to make a fortune in chess?
Fascinating problems and logical puzzles will keep you from getting bored and will answer your curious questions: - How to measure length with a coin? - How to easily divide a number by 11? - Why is a three-legged table sturdier than a regular one? - How to make a fortune in chess?
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