多媒体进入了课堂教学,利用它可以把复杂的数学问题直观形象化,可以使枯燥的几何图形在计算机的演示下有声有色地动起来,大大增强了教学的直观性、趣味性;加大了课堂容 Multimedia has entered the classroom teaching, using it to visually visualize complex mathematical problems, make the boring geometric figures move vividly under the demonstration of the computer, greatly enhancing the intuitive and interesting teaching;