奥数问题甲乙两人分别从A,B两地同时驾车出发相向而行.相遇后,甲继续驶向B地,乙有两种选择:若乙驶向A地,则当甲到达B地时,乙距离A地45千米;若乙立即掉头以原速驶向B地,则当甲到达B地时,
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![奥数问题甲乙两人分别从A,B两地同时驾车出发相向而行.相遇后,甲继续驶向B地,乙有两种选择:若乙驶向A地,则当甲到达B地时,乙距离A地45千米;若乙立即掉头以原速驶向B地,则当甲到达B地时,](/uploads/image/z/3727882-10-2.jpg?t=%E5%A5%A5%E6%95%B0%E9%97%AE%E9%A2%98%E7%94%B2%E4%B9%99%E4%B8%A4%E4%BA%BA%E5%88%86%E5%88%AB%E4%BB%8EA%2CB%E4%B8%A4%E5%9C%B0%E5%90%8C%E6%97%B6%E9%A9%BE%E8%BD%A6%E5%87%BA%E5%8F%91%E7%9B%B8%E5%90%91%E8%80%8C%E8%A1%8C.%E7%9B%B8%E9%81%87%E5%90%8E%2C%E7%94%B2%E7%BB%A7%E7%BB%AD%E9%A9%B6%E5%90%91B%E5%9C%B0%2C%E4%B9%99%E6%9C%89%E4%B8%A4%E7%A7%8D%E9%80%89%E6%8B%A9%EF%BC%9A%E8%8B%A5%E4%B9%99%E9%A9%B6%E5%90%91A%E5%9C%B0%2C%E5%88%99%E5%BD%93%E7%94%B2%E5%88%B0%E8%BE%BEB%E5%9C%B0%E6%97%B6%2C%E4%B9%99%E8%B7%9D%E7%A6%BBA%E5%9C%B045%E5%8D%83%E7%B1%B3%EF%BC%9B%E8%8B%A5%E4%B9%99%E7%AB%8B%E5%8D%B3%E6%8E%89%E5%A4%B4%E4%BB%A5%E5%8E%9F%E9%80%9F%E9%A9%B6%E5%90%91B%E5%9C%B0%2C%E5%88%99%E5%BD%93%E7%94%B2%E5%88%B0%E8%BE%BEB%E5%9C%B0%E6%97%B6%2C)
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