2018_2019学年九年级数学上册第21章一元二次方程21.2解一元二次方程21.2.3因式分解法课件(新版)新人教版.ppt

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第二十一章 一元二次方程,21.2 解一元二次方程 21.2.3 因式分解法,知 识 管 理,学 习 指 南,归 类 探 究,当 堂 测 评,分 层 作 业,学 习 指 南,知 识 管 理,0,一次,归 类 探 究,当 堂 测 评,D,D,A,分 层 作 业,B,2x1可能等于0,0,2,4,

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