甲、乙两人从a、b两地同时出发,甲骑自行车,乙骑摩托车,沿同一条路线相向匀速行驶.已知他们的速度比是2:5.在离两地中点10.5千米处相遇.①问AB两地相距多少千米?②若相遇后乙再经过21分钟
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![甲、乙两人从a、b两地同时出发,甲骑自行车,乙骑摩托车,沿同一条路线相向匀速行驶.已知他们的速度比是2:5.在离两地中点10.5千米处相遇.①问AB两地相距多少千米?②若相遇后乙再经过21分钟](/uploads/image/z/462656-56-6.jpg?t=%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E4%BA%BA%E4%BB%8Ea%E3%80%81b%E4%B8%A4%E5%9C%B0%E5%90%8C%E6%97%B6%E5%87%BA%E5%8F%91%2C%E7%94%B2%E9%AA%91%E8%87%AA%E8%A1%8C%E8%BD%A6%2C%E4%B9%99%E9%AA%91%E6%91%A9%E6%89%98%E8%BD%A6%2C%E6%B2%BF%E5%90%8C%E4%B8%80%E6%9D%A1%E8%B7%AF%E7%BA%BF%E7%9B%B8%E5%90%91%E5%8C%80%E9%80%9F%E8%A1%8C%E9%A9%B6.%E5%B7%B2%E7%9F%A5%E4%BB%96%E4%BB%AC%E7%9A%84%E9%80%9F%E5%BA%A6%E6%AF%94%E6%98%AF2%3A5.%E5%9C%A8%E7%A6%BB%E4%B8%A4%E5%9C%B0%E4%B8%AD%E7%82%B910.5%E5%8D%83%E7%B1%B3%E5%A4%84%E7%9B%B8%E9%81%87.%E2%91%A0%E9%97%AEAB%E4%B8%A4%E5%9C%B0%E7%9B%B8%E8%B7%9D%E5%A4%9A%E5%B0%91%E5%8D%83%E7%B1%B3%3F%E2%91%A1%E8%8B%A5%E7%9B%B8%E9%81%87%E5%90%8E%E4%B9%99%E5%86%8D%E7%BB%8F%E8%BF%8721%E5%88%86%E9%92%9F)
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