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1、五年级：数学 执教教师：毛场小学 王安平Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.复习复习什么叫方程？ 含有未知数的等式，叫做方程什么叫解方程？求方程的解的过程叫做解方程Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.复习复习用方程表
2、示下面的数量关系 1 与4的和等于40 2 的3倍等于40 3 的3倍加上4等于40 4 403 403 4 40Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.例题例题看图列方程，并求出方程的解 553 554Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspos
3、e Pty Ltd.例题例题这个方程应该怎样解答呢？ 3 554把 看作一个加数4加数加数和Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.例题例题解：3 5544 55 34 52 52 4 13（张）就相当于先拿走大小王和花牌余下的牌还有52张，被分成了4份把一个数分成几等份用除法每份13张Evaluation only.Created with Aspose.Slides for .NET 3.5 Client
4、 Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.检验检验把 13代入原方程左边413355右边55左边右边所以 是原方程的解 133 554Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.练习练习解： 3 9 9 3 6 6 6 1 2 104666解：4 10 2 4 12 12 4 3Evaluation only.Created with Aspose.S
5、lides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.例题例题解：6 3 2 518 2 52 18 52 13 13 2 6.5Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.练习练习解：3 12 6 63 72 63 6 72 3 78 78 3 26Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.同学们，下课了！同学们，下课了！祝同学们学习更上一层楼！祝同学们学习更上一层楼！Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.
