《全日制义务教育数学课程标准》要求我们在教学中应重视现代信息技术的运用,特别要充分考虑计算机对数学学习内容和方式的影响,运用多媒体辅助教学,它能使课堂教学在图、文、声、色、光并茂的作用下,使视听相结合,使学生的知、情、意、行融为一体,激 Full-time compulsory education math curriculum standards require that we should pay attention to the use of modern information technology in teaching, in particular, to give full consideration to the impact of computer on the content and manner of math learning, the use of multimedia-assisted teaching, it can make classroom teaching in the graphic , Sound, color, light and Mao’s role, the combination of audio-visual, so that students know, love, Italy, the line integration, excitement