《整式的除法》PPT课件.ppt

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1、第一章整式的运算第九节整式的除法（二）Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.知识回顾单项式相除，把系数，同底数幂分别相除后，作为商的因式；对于只在被除式里含有的字母，则连同它的指数一起作为商的因式。2.单项式与单项式相除的法则：1.同底数幂的除法：Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011Aspose

2、PtyLtd.探究新知计算下列各题，说说你的理由。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.方法:类比有理数的除法探究方法由有理数的除法类比得到Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.知识要点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

3、得的商相加。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.试一试例1计算：Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.解：Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright200

4、4-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.想一想，下列计算正确吗？（）()你能说出上面题目错误的原因吗？试试看Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.练一练课本31页随堂练习第1题答案Evaluationonly.CreatedwithAs

5、pose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.谈谈你的收获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。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.作业：1、课本习题1.14第1题，做课本上2、B本第12课时Evaluationonly.CreatedwithAspose.Slidesfor

6、.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.谢谢合作!Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.