2018年秋七年级数学上册第三章一元一次方程3.1从算式到方程3.1.2等式的性质(听课)课件(新版)新人教版.ppt

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3.1.2 等式的性质,知识目标,目标突破,第三章 一元一次方程,总结反思,知识目标,3.1.2 等式的性质,1对平衡天平两边的托盘上的物体质量进行相同质量的改变,观察发生的现象,思考其中蕴含的数学道理,从而掌握等式的性质,能用等式的性质对已知等式进行变形 2通过求方程的解的过程,能用等式的性质解简单的一元一次方程,3.1.2 等式的性质,目标一 会利用等式的性质对等式进行变形,目标突破,p,1,减去2n,2,除以2,3.1.2 等式的性质,3.1.2 等式的性质,目标二 会利用等式的性质解方程,3.1.2 等式的性质,3.1.2 等式的性质,总结反思,3.1.2 等式的性质,知识点 等式的性质,bc,3.1.2 等式的性质,bc,3.1.2 等式的性质,3.1.2 等式的性质,

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