笔者在教第一轮初三的时候,就有幸受命负责搜集整理专题复习的二次函数部分.当时对近几年的海南中考题和全国各地中考题进行了认真搜集、演算、整理、归类工作,收获了很多,从而对二次函数有了更深的了解.几年过去了,经过几次整理,又有了新的感悟和体会,发现要把二次函数综合题做出来,不是一蹴而就的事情,不是初三突击就能起到很好的效果,很多知识点引申题在初一初二的教学中就要呈现出来,让学 I teach the first round of the first three days, I was fortunate enough to be responsible for the collection of the quadratic function of the topic review .At that time in recent years, the Hainan senior high school entrance examination questions and throughout the country exam questions carefully collected, calculated, sorted, classified Work, gain a lot, so as to have a deeper understanding of the quadratic function.After several years passed, after several finishing, but also a new perception and experience, we should make the synthesis of quadratic functions to be made, not overnight Things, not the first three assaults can play a very good effect, a lot of knowledge points in the first issue of the essay questions will be presented in the teaching, learning