果园收购一批苹果,按质量分为三等,最好的苹果为一等,每千克售价3.6元;其次是二等苹果.每千克售价2.8元.最次的是三等苹果每千克售价2.1元.这三种苹果的数量之比为2:3:1.若将这三种苹果混
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 15:45:03
![果园收购一批苹果,按质量分为三等,最好的苹果为一等,每千克售价3.6元;其次是二等苹果.每千克售价2.8元.最次的是三等苹果每千克售价2.1元.这三种苹果的数量之比为2:3:1.若将这三种苹果混](/uploads/image/z/8691996-12-6.jpg?t=%E6%9E%9C%E5%9B%AD%E6%94%B6%E8%B4%AD%E4%B8%80%E6%89%B9%E8%8B%B9%E6%9E%9C%2C%E6%8C%89%E8%B4%A8%E9%87%8F%E5%88%86%E4%B8%BA%E4%B8%89%E7%AD%89%2C%E6%9C%80%E5%A5%BD%E7%9A%84%E8%8B%B9%E6%9E%9C%E4%B8%BA%E4%B8%80%E7%AD%89%2C%E6%AF%8F%E5%8D%83%E5%85%8B%E5%94%AE%E4%BB%B73.6%E5%85%83%EF%BC%9B%E5%85%B6%E6%AC%A1%E6%98%AF%E4%BA%8C%E7%AD%89%E8%8B%B9%E6%9E%9C.%E6%AF%8F%E5%8D%83%E5%85%8B%E5%94%AE%E4%BB%B72.8%E5%85%83.%E6%9C%80%E6%AC%A1%E7%9A%84%E6%98%AF%E4%B8%89%E7%AD%89%E8%8B%B9%E6%9E%9C%E6%AF%8F%E5%8D%83%E5%85%8B%E5%94%AE%E4%BB%B72.1%E5%85%83.%E8%BF%99%E4%B8%89%E7%A7%8D%E8%8B%B9%E6%9E%9C%E7%9A%84%E6%95%B0%E9%87%8F%E4%B9%8B%E6%AF%94%E4%B8%BA2%3A3%3A1.%E8%8B%A5%E5%B0%86%E8%BF%99%E4%B8%89%E7%A7%8D%E8%8B%B9%E6%9E%9C%E6%B7%B7)
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