《九章算术》是中国古代的数学专著，有题为：今有良马与驽马发长安至齐，齐去长安三千里，良马初日行一百九十三里，日增十三里，驽马初日行九十七里，日减半里，良马先至齐，复还迎驽马，问几何日相逢及各行几何？用

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《九章算术》是中国古代的数学专著，有题为：今有良马与驽马发长安至齐，齐去长安三千里，良马初日行一百九十三里，日增十三里，驽马初日行九十七里，日减半里，良马先至齐，复还迎驽马，问几何日相逢及各行几何？用享誉古今的“盈不足术”，可以精确的计算用了多少日多少时相逢，那么你认为在第几日相遇( )

A：13

B：14

C：15

D：16

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D

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Would you like to learn English well?

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