函数部分的应用题,一商场批发某种商品的进价为每个80元,零售价为每个100元,为了促进销售,拟采用买一个这种商品赠送一个小礼品的办法.饰演表明,礼品价值为1元时,销售量可增加10%,且在一
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![函数部分的应用题,一商场批发某种商品的进价为每个80元,零售价为每个100元,为了促进销售,拟采用买一个这种商品赠送一个小礼品的办法.饰演表明,礼品价值为1元时,销售量可增加10%,且在一](/uploads/image/z/7647708-12-8.jpg?t=%E5%87%BD%E6%95%B0%E9%83%A8%E5%88%86%E7%9A%84%E5%BA%94%E7%94%A8%E9%A2%98%2C%E4%B8%80%E5%95%86%E5%9C%BA%E6%89%B9%E5%8F%91%E6%9F%90%E7%A7%8D%E5%95%86%E5%93%81%E7%9A%84%E8%BF%9B%E4%BB%B7%E4%B8%BA%E6%AF%8F%E4%B8%AA80%E5%85%83%2C%E9%9B%B6%E5%94%AE%E4%BB%B7%E4%B8%BA%E6%AF%8F%E4%B8%AA100%E5%85%83%2C%E4%B8%BA%E4%BA%86%E4%BF%83%E8%BF%9B%E9%94%80%E5%94%AE%2C%E6%8B%9F%E9%87%87%E7%94%A8%E4%B9%B0%E4%B8%80%E4%B8%AA%E8%BF%99%E7%A7%8D%E5%95%86%E5%93%81%E8%B5%A0%E9%80%81%E4%B8%80%E4%B8%AA%E5%B0%8F%E7%A4%BC%E5%93%81%E7%9A%84%E5%8A%9E%E6%B3%95.%E9%A5%B0%E6%BC%94%E8%A1%A8%E6%98%8E%2C%E7%A4%BC%E5%93%81%E4%BB%B7%E5%80%BC%E4%B8%BA1%E5%85%83%E6%97%B6%2C%E9%94%80%E5%94%AE%E9%87%8F%E5%8F%AF%E5%A2%9E%E5%8A%A010%25%2C%E4%B8%94%E5%9C%A8%E4%B8%80)
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