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因式分解是初中数学中重要的基本知识与基本技能,是代数式恒等变形与运算的重要工具,它集中了许多的数学思想方法,在解题中有着广泛的应用,现对其作一简要归类解析,供参考．
Factorization is an important basic knowledge and basic skill in junior high school mathematics. It is an important tool for algebraic-like constant deformation and operation. It concentrates on many mathematical thinking methods and has a wide range of applications in solving problems. Collation analysis, for reference.