甲乙两个工程队合修一段公路,甲队与乙队的工作效率比是3:5.两队合修5天正好完成这段公路的三分之二,余下的由乙队单独修,还要几天才能修完?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 01:41:50
![甲乙两个工程队合修一段公路,甲队与乙队的工作效率比是3:5.两队合修5天正好完成这段公路的三分之二,余下的由乙队单独修,还要几天才能修完?](/uploads/image/z/2157190-70-0.jpg?t=%E7%94%B2%E4%B9%99%E4%B8%A4%E4%B8%AA%E5%B7%A5%E7%A8%8B%E9%98%9F%E5%90%88%E4%BF%AE%E4%B8%80%E6%AE%B5%E5%85%AC%E8%B7%AF%2C%E7%94%B2%E9%98%9F%E4%B8%8E%E4%B9%99%E9%98%9F%E7%9A%84%E5%B7%A5%E4%BD%9C%E6%95%88%E7%8E%87%E6%AF%94%E6%98%AF3%3A5.%E4%B8%A4%E9%98%9F%E5%90%88%E4%BF%AE5%E5%A4%A9%E6%AD%A3%E5%A5%BD%E5%AE%8C%E6%88%90%E8%BF%99%E6%AE%B5%E5%85%AC%E8%B7%AF%E7%9A%84%E4%B8%89%E5%88%86%E4%B9%8B%E4%BA%8C%2C%E4%BD%99%E4%B8%8B%E7%9A%84%E7%94%B1%E4%B9%99%E9%98%9F%E5%8D%95%E7%8B%AC%E4%BF%AE%2C%E8%BF%98%E8%A6%81%E5%87%A0%E5%A4%A9%E6%89%8D%E8%83%BD%E4%BF%AE%E5%AE%8C%3F)
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