北师大版三年级数学下册《猴子的烦恼》课件讲课教案.ppt

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,北师大版三年级数学下册,猴子的烦恼,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,说一说，想一想。,一个桃子也没有。,63,33,03,2,1,0,0,除以任何不是,0,的数都得,0,。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,（）,平均每只猴子分到多少个桃子？说一说你是怎么想的。,306个,3003,100,可以这样写：,63,2,100 2102,3,1,3,0,6,0,3,1,3,0,6,0,0,0,6,6,0,2,3,1,3 0 6,6,0,6,2,0,306,3,102,个,答：,平均每只猴子分了,102,个,。,0除以3等于0。,怎么办呢？,把0省略,就更好,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,算一算，想一想。,6,1,8 4,0,2 4,4,2 4,0,接下来该怎么算呢？,6,1,8 4,0,2 4,4,2 4,0,0,0,0,0除以6等于0。,可以这样写：,6,1,8 4 0,2 4,4,2 4,0,0,这的0省略掉就更好了,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,平均每只小猫分到几条鱼？,看图说一说为什么,020。,42,22,02,2,1,0,0除以任何非零的数都等于0。,注意：,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,2.圈一圈，算一算。,4 2 0,2,4 0 2,2,4 2 0,2,2,4,2,0,0,0,2,1,0,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,),4 2 0,2,2,4,2,1,2,0,0,),4 0 2,2,2,4,0,2,1,2,0,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,计算。,4203,8804,3,1,4 2 0,1 2,4,1 2,0,0,140,8,2,8 8 0,8,2,8,0,0,220,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,7806,3093,6,1,7 8 0,1 8,3,1 8,0,0,130,3,1,3 0 9,9,0,9,0,3,103,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,4.森林医生。,2 4 0,2,1,2,4,2,4,0,0,7 0 2,3,6,1,0,1,0,4,2,2,2,0,3,9,1 2,4,1 2,0,8 0 4,4,2,8,4,1,4,0,0,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,970450=,520（把）,520,4,130（把）,答：下午平均每次运130把椅子,。,=,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,