遇店加一半,遇花喝一斗

  • 时间:2020-05-16 11:04:24
  • 分类:数学世界
  • 阅读:156 次

数学题:李白提壶去打酒,遇店加一倍,遇花喝一斗,三次遇店,三次遇花,喝完杯中酒,请问壶中原有都少酒?

数学题解答

方程解: 设:壶中原有X斗酒。

一遇店和花后,壶中酒为:2X-1;

二遇店和花后,壶中酒为:2(2X-1)-1;

三遇店和花后,壶中酒为:2[2(2X-1)-1]-1=0

求出X即可。

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