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1引言“基本不等式”是人教版《数学5》(必修)第三章“不等式”的内容,第一课时的教学如何准确定位和把握就显得尤为重要.但有的教师认为高考对基本不等式的考察主要应用是求最值,故对基本不等式的证明和由来无需掌握的太多,只要进行大量的练习,能够熟练的应用到求最值的题目当中去,就达到了教学目的;另外,由于时间紧、任务重,认为“基本不等式”历
1 INTRODUCTION “Basic inequality ” is the third chapter of “PEP 5” (compulsory), the content of “inequality ”, and it is particularly important to locate and grasp the teaching in the first class.However, some teachers think College entrance examination of the basic inequalities of the main application is seeking the most value, so the proof of the basic inequalities and the origin do not need to grasp too much, as long as a large number of exercises, proficiency can be applied to find the most value among the topics, to achieve the teaching In addition, due to the tight schedule, the task is heavy, that “basic inequality ” calendar