请你来玩“24”点游戏,给出3、-5、-12、7四个数凑成24的算式______.
-5-7-(-12×3)=24.
故本题答案为:-5-7-(-12×3).
试题八阅读以下说明和Java程序代码,将应填入 (n) 处的字句写在答题纸的对应栏内。【说明】在下面的Java程序代码中,类SalesTicket能够完成打印票据正文的功能,类 HeadDecorator与FootDecorator分别能够完成打印票据的台头和脚注的功能。已知该程序运行后的输出结果如下所示,请填补该程序代码中的空缺。这是票据的台头!这是票据正文!-------------------这是票据的脚注!这是票据的台头!这是票据的脚注!【tava程序代码】 public class SalesTicket public void printTicket() System. out. println ( "这是票据正文 ! "); public class Decorator extends SalesTicketSalesTicket ticket; public Decorator(SalesTicket t) ticket = t; public void printTicket() if(ticket != null) ticket.printTicket(); public class HeadDecorator extends Decorator public HeadDecorator(SalesTicket t) (1) public void printTicket() System. out.println("这是票据的台头! "); super.printTicket();public class FootDecorator extends Decorator public FootDecorator(SalesTicket t) (2) ; public void printTicket() super, printTicket ();System. out.println ("这是票据的脚注!"); public class Main public static void main(String[] args) T = new HeadDecorator((3) );T=(4) ;System.out.println("------------------------------------");T = new FootDecorator( (5));T.printTicket ();
未炼制的猪脂肪 ( )