读了贵刊2010年第七期上的文章《从函数零点谈起》,颇受启发.该文从数和形两个方面揭示函数零点概念的本质,并且从三个方面将看似容易而应用中常发生误解的情况逐一剖析,进一步加深了对概念的理解,从而帮助学生完成函数零点概念从具体到抽象再到应用的完整认识过程. Read your article on the seventh issue of 2010, “from the zero point of the function,” quite inspired.From the number and shape of the two aspects of the nature of the concept of zero function, and from three aspects will seem easy and Application of misunderstanding often one by one analysis, to further deepen the understanding of the concept, thus helping students to complete the concept of function zero from concrete to abstract and then to the application of a complete understanding of the process.