一块农田,用甲乙丙三台拖拉机来耕,如果用甲丙两台同时耕,甲台耕地18公顷时地已全部耕完;如果用乙丙两台同时耕,乙台耕地27公顷时地才全部更完.乙台每小时耕地的公顷是甲台的2倍,这块
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![一块农田,用甲乙丙三台拖拉机来耕,如果用甲丙两台同时耕,甲台耕地18公顷时地已全部耕完;如果用乙丙两台同时耕,乙台耕地27公顷时地才全部更完.乙台每小时耕地的公顷是甲台的2倍,这块](/uploads/image/z/14770206-54-6.jpg?t=%E4%B8%80%E5%9D%97%E5%86%9C%E7%94%B0%2C%E7%94%A8%E7%94%B2%E4%B9%99%E4%B8%99%E4%B8%89%E5%8F%B0%E6%8B%96%E6%8B%89%E6%9C%BA%E6%9D%A5%E8%80%95%2C%E5%A6%82%E6%9E%9C%E7%94%A8%E7%94%B2%E4%B8%99%E4%B8%A4%E5%8F%B0%E5%90%8C%E6%97%B6%E8%80%95%2C%E7%94%B2%E5%8F%B0%E8%80%95%E5%9C%B018%E5%85%AC%E9%A1%B7%E6%97%B6%E5%9C%B0%E5%B7%B2%E5%85%A8%E9%83%A8%E8%80%95%E5%AE%8C%EF%BC%9B%E5%A6%82%E6%9E%9C%E7%94%A8%E4%B9%99%E4%B8%99%E4%B8%A4%E5%8F%B0%E5%90%8C%E6%97%B6%E8%80%95%2C%E4%B9%99%E5%8F%B0%E8%80%95%E5%9C%B027%E5%85%AC%E9%A1%B7%E6%97%B6%E5%9C%B0%E6%89%8D%E5%85%A8%E9%83%A8%E6%9B%B4%E5%AE%8C.%E4%B9%99%E5%8F%B0%E6%AF%8F%E5%B0%8F%E6%97%B6%E8%80%95%E5%9C%B0%E7%9A%84%E5%85%AC%E9%A1%B7%E6%98%AF%E7%94%B2%E5%8F%B0%E7%9A%842%E5%80%8D%2C%E8%BF%99%E5%9D%97)
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