摘要
在因式分解教学中 ,运用类比和数形结合的方法 ,讲清概念 ,掌握因式分解的规律 ,从而培养学生观察问题、分析问题。
During factorization teaching,we apply analogy and combination number with figure to explain conception and law of fractorization so as to train students′ ability to observe analyse and solve problems.
