A、B两地相距950米.甲、乙两人同时由A地出发往返锻炼90分,甲步行,每分钟走40米;乙跑步,每分钟行150则甲、乙两人第()次迎面相遇时距B地最近.
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![A、B两地相距950米.甲、乙两人同时由A地出发往返锻炼90分,甲步行,每分钟走40米;乙跑步,每分钟行150则甲、乙两人第()次迎面相遇时距B地最近.](/uploads/image/z/9526048-16-8.jpg?t=A%E3%80%81B%E4%B8%A4%E5%9C%B0%E7%9B%B8%E8%B7%9D950%E7%B1%B3.%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E4%BA%BA%E5%90%8C%E6%97%B6%E7%94%B1A%E5%9C%B0%E5%87%BA%E5%8F%91%E5%BE%80%E8%BF%94%E9%94%BB%E7%82%BC90%E5%88%86%2C%E7%94%B2%E6%AD%A5%E8%A1%8C%2C%E6%AF%8F%E5%88%86%E9%92%9F%E8%B5%B040%E7%B1%B3%EF%BC%9B%E4%B9%99%E8%B7%91%E6%AD%A5%2C%E6%AF%8F%E5%88%86%E9%92%9F%E8%A1%8C150%E5%88%99%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E4%BA%BA%E7%AC%AC%EF%BC%88%EF%BC%89%E6%AC%A1%E8%BF%8E%E9%9D%A2%E7%9B%B8%E9%81%87%E6%97%B6%E8%B7%9DB%E5%9C%B0%E6%9C%80%E8%BF%91.)
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