周长为400米的跑道,有相距100米的a.b两点.甲乙分别从a.b同时反向而行,两人相遇后,乙即转身与甲同向而跑,当甲跑到a地时,乙恰好到b地.当甲追上乙时,甲共跑了多少米?
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![周长为400米的跑道,有相距100米的a.b两点.甲乙分别从a.b同时反向而行,两人相遇后,乙即转身与甲同向而跑,当甲跑到a地时,乙恰好到b地.当甲追上乙时,甲共跑了多少米?](/uploads/image/z/480840-24-0.jpg?t=%E5%91%A8%E9%95%BF%E4%B8%BA400%E7%B1%B3%E7%9A%84%E8%B7%91%E9%81%93%2C%E6%9C%89%E7%9B%B8%E8%B7%9D100%E7%B1%B3%E7%9A%84a.b%E4%B8%A4%E7%82%B9.%E7%94%B2%E4%B9%99%E5%88%86%E5%88%AB%E4%BB%8Ea.b%E5%90%8C%E6%97%B6%E5%8F%8D%E5%90%91%E8%80%8C%E8%A1%8C%2C%E4%B8%A4%E4%BA%BA%E7%9B%B8%E9%81%87%E5%90%8E%2C%E4%B9%99%E5%8D%B3%E8%BD%AC%E8%BA%AB%E4%B8%8E%E7%94%B2%E5%90%8C%E5%90%91%E8%80%8C%E8%B7%91%2C%E5%BD%93%E7%94%B2%E8%B7%91%E5%88%B0a%E5%9C%B0%E6%97%B6%2C%E4%B9%99%E6%81%B0%E5%A5%BD%E5%88%B0b%E5%9C%B0.%E5%BD%93%E7%94%B2%E8%BF%BD%E4%B8%8A%E4%B9%99%E6%97%B6%2C%E7%94%B2%E5%85%B1%E8%B7%91%E4%BA%86%E5%A4%9A%E5%B0%91%E7%B1%B3%3F)
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