八年级数学上册第十二章整式的乘除12.4多项式除以单项式课件(新版)华东师大版.ppt

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12.4.2 多项式除以单项式,计算下列各题,说说你的理由.,新课导入,方法1:利用乘除法的互逆关系,探究方法小结,方法2:类比有理数的除法,由有理数的除法,类比得到,探究方法小结,归纳总结,多项式除以单项式的法则,多项式除以单项式, 先把这个多项式的每一项分别除以单项式, 再把所得的商相加.,例1:,应用新知,1、计算:,随堂演练,解:,【答案】,2、计算:,多项式除以单项式的法则,多项式除以单项式,先把这个多项式的每一项分别除以单项式,再把所得的商相加.,课堂小结,1.从教材习题中选取 2.完成练习册本课时的习题.,课后作业,

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