2019年春七年级数学下册第3章整式的乘除本章总结提升课件新版浙教版20190119266.pptx

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第3章 整式的乘除,本章总结提升,整合提升,知识框架,第3章 整式的乘除,知识框架,本章总结提升,互逆运算,整合提升,问题1 同底数幂的运算,本章总结提升,本章总结提升,A,A,本章总结提升,本章总结提升,问题2 整式的乘除与化简求值,本章学过的乘法公式有哪些?它们分别有什么结构特点?怎样运用乘法分式进行合理变形?,本章总结提升,本章总结提升,本章总结提升,本章总结提升,问题3 零指数幂与负整数指数幂,在研究同底数幂除法的过程中,我们先后规定了零指数幂、负整数指数幂的意义,使幂的运算性质适用于一切整数指数幂,零指数幂与负整数指数幂是怎样规定的?你能体会这两个规定的合理性吗?,本章总结提升,本章总结提升,本章总结提升,问题4 用科学记数法表示绝对值小于1的数,用科学记数法表示数时,对a有什么规定?,本章总结提升,B,本章总结提升,问题5 整体思想,整体思想在整式的求值中有怎样的应用?,本章总结提升,本章总结提升,

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