一项工程,甲乙两队做12天完成,现在甲乙两队做4天后,余下的甲独做要20天完成.乙独完成这项工程要用多少天?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 16:45:29
![一项工程,甲乙两队做12天完成,现在甲乙两队做4天后,余下的甲独做要20天完成.乙独完成这项工程要用多少天?](/uploads/image/z/3055444-52-4.jpg?t=%E4%B8%80%E9%A1%B9%E5%B7%A5%E7%A8%8B%2C%E7%94%B2%E4%B9%99%E4%B8%A4%E9%98%9F%E5%81%9A12%E5%A4%A9%E5%AE%8C%E6%88%90%2C%E7%8E%B0%E5%9C%A8%E7%94%B2%E4%B9%99%E4%B8%A4%E9%98%9F%E5%81%9A4%E5%A4%A9%E5%90%8E%2C%E4%BD%99%E4%B8%8B%E7%9A%84%E7%94%B2%E7%8B%AC%E5%81%9A%E8%A6%8120%E5%A4%A9%E5%AE%8C%E6%88%90.%E4%B9%99%E7%8B%AC%E5%AE%8C%E6%88%90%E8%BF%99%E9%A1%B9%E5%B7%A5%E7%A8%8B%E8%A6%81%E7%94%A8%E5%A4%9A%E5%B0%91%E5%A4%A9%3F)
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