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竞赛题中的因式分解问题往往使学生感到困难,究其原因,主要是问题的灵活性大,有其独特的策略,使用课本中介绍的基本方法难以奏效.现结合近几年来全国及各地市的竞赛题,介绍一些常用解题策略.
The problem of factorization in competition questions often makes students feel difficult. The main reason is the flexibility of the problem and its unique strategy. Using the basic methods described in textbooks is not effective. It is now combined with all over the country in recent years. City contest questions, introduce some common problem solving strategies.