球钟问题描述：球钟是利用球的移动来记录时间的简单装置。他有三个可容纳若干个球的指示器：分钟指示器，五分钟指示器和小时指示器。若分针指示器有三个球，五分钟指示器有5个球，小时指示器有8个，就是8:28.具体问题描述看图片-Ball Clock Problem Descr iption: Ball bell is a simple device to move the ball to the use of recording time. He had three balls can accommodate several indicators: minute indicator, five minutes indicator and hour indicators. When the center indicator has three goals, five minutes indicator has five goals, indicators have eight hours is 8:28. Detailed descr iption of the problem to see pictures