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1问题提出近日,笔者到一所学校观摩学习,听了一节二项式定理的高三一轮复习课.该班是实验班,生源很好.课上共研究了两道题,学生在课前已经作了预习.例1是一道经典问题,课堂上学生共给出4种方法,然后教者引导学生归纳出处理此类问题的一般思路.例2是2016年江苏高考附加题的最后一题,是压轴题,有一定难度,教者请两个同学展示他们的不同的解答,然后教者给出第三种解题思路.师生的解题水平确实令听课教师赞叹.但从课堂参与度上
A question raised Recently, I went to a school to observe the learning, listening to a binomial theorem of the senior high three round of refresher classes .This class is an experimental class, a good source of students .Classically studied a total of two questions, students in Example 1 is a classic question, the class of students are given a total of 4 methods, and then guide the students to guide the general principles of dealing with such issues. Example 2 is the end of the 2016 Jiangsu college entrance examination questions One question is a finale problem, with some difficulty. The teacher asked two classmates to show their different answers, and then the teacher gives a third way to solve the problem. Class participation