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在高三复习中,有些数学题学生直接求解运算量很大,而且不能轻易准确求解,这时我们就需要寻求更好的解题策略,以便学生轻松解题,但由于对问题的本质理解程度不够,往往找不到问题的切入点,从而无法快速解题。圆是高中数学的重点内容之一,也是高考命题的热点。圆问题的处理通常可以从形与数两个角度入手,因此我们借助“圆”这一桥梁可以将一些代数问题几何化,几何问题简洁化,从而使复杂问题变得简单,快速找到问题的切入点。
In the third year of high school review, some math students directly solve a large amount of computation, and can not be easily solved accurately, then we need to find a better problem-solving strategy for students to easily solve the problem, but the nature of the problem is not enough understanding , Often can not find the starting point of the problem, which can not quickly solve the problem. Circle is one of the key elements of high school mathematics, but also the hot topic college entrance examination. The rounding problem can usually be dealt with both in form and in number, so we can geometricize some of the algebraic problems and simplify the geometrical problems with the help of the “circle”, so as to make the complex problems easier and find the problems quickly The starting point.