java 小白今日橘子的价格为每500克2.98元，购买3千克橘子，计算顾客需支付的钱款

原创于 2020-09-24 17:51:18 发布 · 742 阅读

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public class BorrowABook
{
    public static void main(String[] args)
    {
        BorrowABook food = new BorrowABook();
        double zhongliang = 500;
        double jiage = 2.98;
        double zhongliang1 = 3000;
        System.out.println("顾客需要支付的钱款为"+food.add(zhongliang,zhongliang1,jiage));
    }
    double add(double zhongliang,double jiage,double zhongliang1)
    {
        jiage = zhongliang1/zhongliang*jiage;
        return  jiage;
    }
}