在一条直线上依次有A、B、C三个港口,甲、乙两船分别从A、B港口同时出发,匀速驶向C港.设甲船与B港的距离y1(km)与行驶时间x(h)的函数图象如图1所示,乙船与C港的距离y2(km)与x(h)的
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![在一条直线上依次有A、B、C三个港口,甲、乙两船分别从A、B港口同时出发,匀速驶向C港.设甲船与B港的距离y1(km)与行驶时间x(h)的函数图象如图1所示,乙船与C港的距离y2(km)与x(h)的](/uploads/image/z/11475246-30-6.jpg?t=%E5%9C%A8%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E4%B8%8A%E4%BE%9D%E6%AC%A1%E6%9C%89A%E3%80%81B%E3%80%81C%E4%B8%89%E4%B8%AA%E6%B8%AF%E5%8F%A3%2C%E7%94%B2%E3%80%81%E4%B9%99%E4%B8%A4%E8%88%B9%E5%88%86%E5%88%AB%E4%BB%8EA%E3%80%81B%E6%B8%AF%E5%8F%A3%E5%90%8C%E6%97%B6%E5%87%BA%E5%8F%91%2C%E5%8C%80%E9%80%9F%E9%A9%B6%E5%90%91C%E6%B8%AF%EF%BC%8E%E8%AE%BE%E7%94%B2%E8%88%B9%E4%B8%8EB%E6%B8%AF%E7%9A%84%E8%B7%9D%E7%A6%BBy1%EF%BC%88km%EF%BC%89%E4%B8%8E%E8%A1%8C%E9%A9%B6%E6%97%B6%E9%97%B4x%EF%BC%88h%EF%BC%89%E7%9A%84%E5%87%BD%E6%95%B0%E5%9B%BE%E8%B1%A1%E5%A6%82%E5%9B%BE1%E6%89%80%E7%A4%BA%2C%E4%B9%99%E8%88%B9%E4%B8%8EC%E6%B8%AF%E7%9A%84%E8%B7%9D%E7%A6%BBy2%EF%BC%88km%EF%BC%89%E4%B8%8Ex%EF%BC%88h%EF%BC%89%E7%9A%84)
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