一项工程,甲、乙、丙合做要6天,如果甲先做8天,乙丙再做3天完成了全工程的3/4,如甲乙合做4天,丙做6天1.一工程 甲乙丙要6天完成,甲先做8天乙丙做3天完成工程的3/4,甲乙先做4天丙做6天完成3/4
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![一项工程,甲、乙、丙合做要6天,如果甲先做8天,乙丙再做3天完成了全工程的3/4,如甲乙合做4天,丙做6天1.一工程 甲乙丙要6天完成,甲先做8天乙丙做3天完成工程的3/4,甲乙先做4天丙做6天完成3/4](/uploads/image/z/8447068-28-8.jpg?t=%E4%B8%80%E9%A1%B9%E5%B7%A5%E7%A8%8B%2C%E7%94%B2%E3%80%81%E4%B9%99%E3%80%81%E4%B8%99%E5%90%88%E5%81%9A%E8%A6%816%E5%A4%A9%2C%E5%A6%82%E6%9E%9C%E7%94%B2%E5%85%88%E5%81%9A8%E5%A4%A9%2C%E4%B9%99%E4%B8%99%E5%86%8D%E5%81%9A3%E5%A4%A9%E5%AE%8C%E6%88%90%E4%BA%86%E5%85%A8%E5%B7%A5%E7%A8%8B%E7%9A%843%2F4%2C%E5%A6%82%E7%94%B2%E4%B9%99%E5%90%88%E5%81%9A4%E5%A4%A9%2C%E4%B8%99%E5%81%9A6%E5%A4%A91.%E4%B8%80%E5%B7%A5%E7%A8%8B+%E7%94%B2%E4%B9%99%E4%B8%99%E8%A6%816%E5%A4%A9%E5%AE%8C%E6%88%90%2C%E7%94%B2%E5%85%88%E5%81%9A8%E5%A4%A9%E4%B9%99%E4%B8%99%E5%81%9A3%E5%A4%A9%E5%AE%8C%E6%88%90%E5%B7%A5%E7%A8%8B%E7%9A%843%2F4%2C%E7%94%B2%E4%B9%99%E5%85%88%E5%81%9A4%E5%A4%A9%E4%B8%99%E5%81%9A6%E5%A4%A9%E5%AE%8C%E6%88%903%2F4)
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