传统的教学模式单一而枯燥,教师仅靠一本书、一支粉笔、一张嘴来工作,教师累得够呛,学生也不轻松。常被大量的重复性学习压得喘不过气来。现在,多媒体进入了课堂教学,利用它可以把复杂的数学 The traditional teaching mode is single and boring. Teachers rely solely on a book, a piece of chalk and a mouth to work. Teachers are tired and chokeless, and students are not relaxed. It is often overwhelmed by a lot of repetitive learning. Now, multimedia has entered classroom teaching, using it to put complex mathematics