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案例一:我听过一节“怎样将尾巴接回”的数学课,初看课题名称,还以为是一节科学课,这引发了我的好奇心。这节课由下面的游戏引入:这是一个正六边形与正四边形的动物图片。游戏规则:围绕小猴身体所在的正六边形转动尾巴所在的正四边形,以顺时针方向翻转。提出问题:请你想想,正四边形转
Case 1: I have heard a section entitled “How to Tail Back” math class, first look at the subject name, thought it was a science class, which triggered my curiosity. This lesson is introduced by the following game: This is an animal picture of a regular hexagon and a regular quad. Rules of the game: Rotate the regular quadrangle around the hexagon of the monkey’s body to flip clockwise. Ask a question: Please think about it, right quadrilateral turn