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“借”与“还”是初中数学一种重要的解题技巧,在解某些问题束手无策时使用这一方法,会使解法显得灵巧简捷.现举例说明如下.一、用于分解因式
“Lending” and “Return” is an important problem-solving technique for junior high school mathematics. Using this method to solve certain problems will make the solution appear clever and simple. The examples are as follows. Decomposition factor