Ruthless Thieves Stealing a Roll of Cloth
Some thieves stole a long roll of silk cloth from a warehouse. In a bush far from the warehouse, they counted the length of the cloth. If each thief gets 6 hiki, then 6 hiki is left over, but if each thief takes 7 hiki then the last thief gets no cloth at all. Find the number of thieves and the length of the cloth.
Jinkō-ki, 1643
Categories: History, puzzles
history of math, Japan, puzzles
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