1.一人用540卢布买了两种布料共138俄尺,其中蓝布料每俄尺3卢布,黑布料每俄尺5卢布,两种布料各买了多少俄尺?2.先对某商品降价10%促销,为了使销售总金额不变,销售量要比按原价销售时增加百
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 09:23:38
![1.一人用540卢布买了两种布料共138俄尺,其中蓝布料每俄尺3卢布,黑布料每俄尺5卢布,两种布料各买了多少俄尺?2.先对某商品降价10%促销,为了使销售总金额不变,销售量要比按原价销售时增加百](/uploads/image/z/1579336-16-6.jpg?t=1.%E4%B8%80%E4%BA%BA%E7%94%A8540%E5%8D%A2%E5%B8%83%E4%B9%B0%E4%BA%86%E4%B8%A4%E7%A7%8D%E5%B8%83%E6%96%99%E5%85%B1138%E4%BF%84%E5%B0%BA%2C%E5%85%B6%E4%B8%AD%E8%93%9D%E5%B8%83%E6%96%99%E6%AF%8F%E4%BF%84%E5%B0%BA3%E5%8D%A2%E5%B8%83%2C%E9%BB%91%E5%B8%83%E6%96%99%E6%AF%8F%E4%BF%84%E5%B0%BA5%E5%8D%A2%E5%B8%83%2C%E4%B8%A4%E7%A7%8D%E5%B8%83%E6%96%99%E5%90%84%E4%B9%B0%E4%BA%86%E5%A4%9A%E5%B0%91%E4%BF%84%E5%B0%BA%3F2.%E5%85%88%E5%AF%B9%E6%9F%90%E5%95%86%E5%93%81%E9%99%8D%E4%BB%B710%25%E4%BF%83%E9%94%80%2C%E4%B8%BA%E4%BA%86%E4%BD%BF%E9%94%80%E5%94%AE%E6%80%BB%E9%87%91%E9%A2%9D%E4%B8%8D%E5%8F%98%2C%E9%94%80%E5%94%AE%E9%87%8F%E8%A6%81%E6%AF%94%E6%8C%89%E5%8E%9F%E4%BB%B7%E9%94%80%E5%94%AE%E6%97%B6%E5%A2%9E%E5%8A%A0%E7%99%BE)
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