甲乙两人在与铁道平行的公路边背向而行,每秒都走一米,一列火车匀速向甲驶来,列车在甲身边开过了15秒.然后又在乙旁开过了17秒.求这辆火车的速度要算式,思路!不要方程!
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/25 17:21:51
![甲乙两人在与铁道平行的公路边背向而行,每秒都走一米,一列火车匀速向甲驶来,列车在甲身边开过了15秒.然后又在乙旁开过了17秒.求这辆火车的速度要算式,思路!不要方程!](/uploads/image/z/3164446-46-6.jpg?t=%E7%94%B2%E4%B9%99%E4%B8%A4%E4%BA%BA%E5%9C%A8%E4%B8%8E%E9%93%81%E9%81%93%E5%B9%B3%E8%A1%8C%E7%9A%84%E5%85%AC%E8%B7%AF%E8%BE%B9%E8%83%8C%E5%90%91%E8%80%8C%E8%A1%8C%2C%E6%AF%8F%E7%A7%92%E9%83%BD%E8%B5%B0%E4%B8%80%E7%B1%B3%2C%E4%B8%80%E5%88%97%E7%81%AB%E8%BD%A6%E5%8C%80%E9%80%9F%E5%90%91%E7%94%B2%E9%A9%B6%E6%9D%A5%2C%E5%88%97%E8%BD%A6%E5%9C%A8%E7%94%B2%E8%BA%AB%E8%BE%B9%E5%BC%80%E8%BF%87%E4%BA%8615%E7%A7%92.%E7%84%B6%E5%90%8E%E5%8F%88%E5%9C%A8%E4%B9%99%E6%97%81%E5%BC%80%E8%BF%87%E4%BA%8617%E7%A7%92.%E6%B1%82%E8%BF%99%E8%BE%86%E7%81%AB%E8%BD%A6%E7%9A%84%E9%80%9F%E5%BA%A6%E8%A6%81%E7%AE%97%E5%BC%8F%2C%E6%80%9D%E8%B7%AF%21%E4%B8%8D%E8%A6%81%E6%96%B9%E7%A8%8B%21)
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