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An ancient Chinese math puzzle shows how to win at cards, horse races and gerrymandering

Summary by Scientific American
A stratagem that dates back two millennia leads to a math puzzle that took 30 years to solve

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Scientific AmericanScientific American
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An ancient Chinese math puzzle shows how to win at cards, horse races and gerrymandering

A stratagem that dates back two millennia leads to a math puzzle that took 30 years to solve

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Scientific American broke the news on Wednesday, October 14, 2026.
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