一个长宽高分别为l,b,h的长方体烟盒内装满了长为h的烟20支,第一第三行各7支,第二行6支.求香烟盒的空间利用率.参考数据:l/b=7*(根号3-1),根号3约等于1.732,结果精确到1%,烟盒纸厚度不计.快,
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![一个长宽高分别为l,b,h的长方体烟盒内装满了长为h的烟20支,第一第三行各7支,第二行6支.求香烟盒的空间利用率.参考数据:l/b=7*(根号3-1),根号3约等于1.732,结果精确到1%,烟盒纸厚度不计.快,](/uploads/image/z/3188847-39-7.jpg?t=%E4%B8%80%E4%B8%AA%E9%95%BF%E5%AE%BD%E9%AB%98%E5%88%86%E5%88%AB%E4%B8%BAl%2Cb%2Ch%E7%9A%84%E9%95%BF%E6%96%B9%E4%BD%93%E7%83%9F%E7%9B%92%E5%86%85%E8%A3%85%E6%BB%A1%E4%BA%86%E9%95%BF%E4%B8%BAh%E7%9A%84%E7%83%9F20%E6%94%AF%2C%E7%AC%AC%E4%B8%80%E7%AC%AC%E4%B8%89%E8%A1%8C%E5%90%847%E6%94%AF%2C%E7%AC%AC%E4%BA%8C%E8%A1%8C6%E6%94%AF.%E6%B1%82%E9%A6%99%E7%83%9F%E7%9B%92%E7%9A%84%E7%A9%BA%E9%97%B4%E5%88%A9%E7%94%A8%E7%8E%87.%E5%8F%82%E8%80%83%E6%95%B0%E6%8D%AE%EF%BC%9Al%2Fb%3D7%2A%28%E6%A0%B9%E5%8F%B73-1%29%2C%E6%A0%B9%E5%8F%B73%E7%BA%A6%E7%AD%89%E4%BA%8E1.732%2C%E7%BB%93%E6%9E%9C%E7%B2%BE%E7%A1%AE%E5%88%B01%25%2C%E7%83%9F%E7%9B%92%E7%BA%B8%E5%8E%9A%E5%BA%A6%E4%B8%8D%E8%AE%A1.%E5%BF%AB%2C)
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