甲乙两港相距360千米,一艘船顺水而下12小时到达.原路逆流而上20小时到达.已知船静水速不变,一定要算式,要简单易懂一点
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![甲乙两港相距360千米,一艘船顺水而下12小时到达.原路逆流而上20小时到达.已知船静水速不变,一定要算式,要简单易懂一点](/uploads/image/z/7204851-27-1.jpg?t=%E7%94%B2%E4%B9%99%E4%B8%A4%E6%B8%AF%E7%9B%B8%E8%B7%9D360%E5%8D%83%E7%B1%B3%2C%E4%B8%80%E8%89%98%E8%88%B9%E9%A1%BA%E6%B0%B4%E8%80%8C%E4%B8%8B12%E5%B0%8F%E6%97%B6%E5%88%B0%E8%BE%BE.%E5%8E%9F%E8%B7%AF%E9%80%86%E6%B5%81%E8%80%8C%E4%B8%8A20%E5%B0%8F%E6%97%B6%E5%88%B0%E8%BE%BE.%E5%B7%B2%E7%9F%A5%E8%88%B9%E9%9D%99%E6%B0%B4%E9%80%9F%E4%B8%8D%E5%8F%98%2C%E4%B8%80%E5%AE%9A%E8%A6%81%E7%AE%97%E5%BC%8F%EF%BC%8C%E8%A6%81%E7%AE%80%E5%8D%95%E6%98%93%E6%87%82%E4%B8%80%E7%82%B9)
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