某体育场的环行跑道长400米,甲.乙两人同是从同一地点分别以一定的速度练习长跑和骑自行车.如果反向而行,那么他们每隔30秒相遇一次,如果两人同向而行,那么每隔80秒乙就追上甲一次,甲.乙
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 04:21:22
![某体育场的环行跑道长400米,甲.乙两人同是从同一地点分别以一定的速度练习长跑和骑自行车.如果反向而行,那么他们每隔30秒相遇一次,如果两人同向而行,那么每隔80秒乙就追上甲一次,甲.乙](/uploads/image/z/6636745-1-5.jpg?t=%E6%9F%90%E4%BD%93%E8%82%B2%E5%9C%BA%E7%9A%84%E7%8E%AF%E8%A1%8C%E8%B7%91%E9%81%93%E9%95%BF400%E7%B1%B3%2C%E7%94%B2.%E4%B9%99%E4%B8%A4%E4%BA%BA%E5%90%8C%E6%98%AF%E4%BB%8E%E5%90%8C%E4%B8%80%E5%9C%B0%E7%82%B9%E5%88%86%E5%88%AB%E4%BB%A5%E4%B8%80%E5%AE%9A%E7%9A%84%E9%80%9F%E5%BA%A6%E7%BB%83%E4%B9%A0%E9%95%BF%E8%B7%91%E5%92%8C%E9%AA%91%E8%87%AA%E8%A1%8C%E8%BD%A6.%E5%A6%82%E6%9E%9C%E5%8F%8D%E5%90%91%E8%80%8C%E8%A1%8C%2C%E9%82%A3%E4%B9%88%E4%BB%96%E4%BB%AC%E6%AF%8F%E9%9A%9430%E7%A7%92%E7%9B%B8%E9%81%87%E4%B8%80%E6%AC%A1%2C%E5%A6%82%E6%9E%9C%E4%B8%A4%E4%BA%BA%E5%90%8C%E5%90%91%E8%80%8C%E8%A1%8C%2C%E9%82%A3%E4%B9%88%E6%AF%8F%E9%9A%9480%E7%A7%92%E4%B9%99%E5%B0%B1%E8%BF%BD%E4%B8%8A%E7%94%B2%E4%B8%80%E6%AC%A1%2C%E7%94%B2.%E4%B9%99)
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