数学是一门基础学科,其重要的地位不仅体现在中考、高考的分数比例上,还体现在社会生活的方方面面。一、圆的神奇——生活走不出的圆从锅碗瓢盆到桌椅灯扇,从达芬奇画蛋到马路上飞滚的车轮,从小小的乒乓球到高尔夫球、篮球,有谁的生活可以离得了这些圆家伙?谓予不信,再看以下实例。1.井盖的奥妙。马路上的排水井、管道井的井盖一般是圆的,设计师为什么把它设计成圆的呢?试想,若把它设计成方 Mathematics is a basic discipline, its important position not only reflected in the entrance examination, college entrance examination score ratio, but also reflected in all aspects of social life. First, the round of magic - the circle of life can not go out From the pots and pans to the table and chair lamp, painted eggs from Leonardo da Vinci to the road rolling wheels, from small table tennis to golf, basketball, there Who’s life can get away from these round guys? Do not believe that, look at the following example. 1. Manhole cover of the mystery. Drainage wells on the road, the manhole cover wells are generally round, why designers design it into a round it? Imagine, if it is designed into a square