每本书的售价一定,书的总价和书的本数成()比例关系.一件工作,甲单独做12天完成,乙单独做18天完成.甲乙效率的最简比是().用162元钱买同样的练习本,买的本数和练习本的单价成()比
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![每本书的售价一定,书的总价和书的本数成()比例关系.一件工作,甲单独做12天完成,乙单独做18天完成.甲乙效率的最简比是().用162元钱买同样的练习本,买的本数和练习本的单价成()比](/uploads/image/z/5273198-62-8.jpg?t=%E6%AF%8F%E6%9C%AC%E4%B9%A6%E7%9A%84%E5%94%AE%E4%BB%B7%E4%B8%80%E5%AE%9A%2C%E4%B9%A6%E7%9A%84%E6%80%BB%E4%BB%B7%E5%92%8C%E4%B9%A6%E7%9A%84%E6%9C%AC%E6%95%B0%E6%88%90%EF%BC%88%EF%BC%89%E6%AF%94%E4%BE%8B%E5%85%B3%E7%B3%BB.%E4%B8%80%E4%BB%B6%E5%B7%A5%E4%BD%9C%2C%E7%94%B2%E5%8D%95%E7%8B%AC%E5%81%9A12%E5%A4%A9%E5%AE%8C%E6%88%90%2C%E4%B9%99%E5%8D%95%E7%8B%AC%E5%81%9A18%E5%A4%A9%E5%AE%8C%E6%88%90.%E7%94%B2%E4%B9%99%E6%95%88%E7%8E%87%E7%9A%84%E6%9C%80%E7%AE%80%E6%AF%94%E6%98%AF%EF%BC%88%EF%BC%89.%E7%94%A8162%E5%85%83%E9%92%B1%E4%B9%B0%E5%90%8C%E6%A0%B7%E7%9A%84%E7%BB%83%E4%B9%A0%E6%9C%AC%2C%E4%B9%B0%E7%9A%84%E6%9C%AC%E6%95%B0%E5%92%8C%E7%BB%83%E4%B9%A0%E6%9C%AC%E7%9A%84%E5%8D%95%E4%BB%B7%E6%88%90%EF%BC%88%EF%BC%89%E6%AF%94)
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