人教版小学数学三年级下册第九单元“等量代换”ppt演示课件.ppt

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人教版小学数学三年级下册第九单元“等量代换”ppt演示课件.ppt

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人教版小学数学三年级下册第九单元“等量代换”ppt演示课件

* 等量代换人教版义务教育课程标准实验教科书三年级下册 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 大象有多重? 我有办法。 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. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 一个西瓜重多少千克? 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. ?个苹果 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. 小猪的体重＞小狗的体重＞小兔的体重 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 1只小猪的质量 = 2只小狗的质量 1只小狗的质量 = 3只小兔的质量 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. 动手操作 1.请你用自己喜欢的方法来解决这个问题。温馨提示:①用学具摆一摆； ②用文字写一写； ③用符号画一画； ④用算式算一算等。 2.看哪个小组完成任务最好。 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. 6根胡萝卜换2个大萝卜，9个大萝卜换3棵大白菜。6棵大白菜换多少根胡萝卜？自我挑战 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 6根 2个大 9个大 3棵 6棵？根 54根 Evaluation only. Created with Aspose.Slides for .NE