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高中数学的通性通法一直是数学考查的重点,但是通法虽好,有时却也会不失麻烦,尤其是在解决方程的问题时,由于只会求解最基本的一些方程,对于一些超出能力范围的方程问题,必须跳出方程的束缚,利用转化的思想方法来完成。就以高中数学中比较常见的方程问题为例,说明等价转化在解决方程时的重要性及有效性。
The general method of high school mathematics has always been the focus of mathematical examination, but although the general method is good, sometimes it will be trouble-free, especially in the solution to the problem of equations, since only the most basic equations will be solved, for some beyond The problem of the equation of ability range must jump out of the shackles of the equation and use the method of transformation to accomplish it. Take the common equation problem in high school mathematics as an example to show the importance and effectiveness of equivalence transformation in solving equations.