放缩法证明不等式是高中数学的难点.但在近年的高考题中或多或少有所体现.所以不少高三教师在复习课教学过程中加大了讲解力度,但一般学生遇到这样的题总是感到头昏脑胀,困难重重.笔者在最近的一次作业题中却充分感受到了学生的发散性思维带来的全新视角,他们思维中生动的 Scaling law proved that inequality is the difficulty of high school mathematics, but in recent years the college entrance examination questions are more or less reflected.So a lot of high school teachers in the review process teaching to increase the intensity of the explanation, but in general students encounter such I always feel dizzy and difficult.I author in a recent assignment but fully felt the divergent thinking of students brought a new perspective, they vivid thinking