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1、解 方 程第第4课时课时Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.小丽拿桶接了半个小时，共接了1.8kg水。你知道一个滴水的水龙头每分钟浪费多少水吗？例题例题4Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.每分钟滴的水每分钟滴的水3
2、0=半小时滴的水半小时滴的水半小时滴水量半小时滴水量每分钟滴水量每分钟滴水量=30半小时滴水量半小时滴水量30=每分钟滴水量每分钟滴水量Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.每分钟滴的水30=半小时滴的水你知道一个滴水的水龙头每分钟浪费多少水吗？解：设每分钟滴x克水。1.8kg=1800g 30x=1800 30x30=180030 x=60 答：每分钟滴60克水。Evaluation only.Creat
3、ed with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.努努力力吧吧！Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.一、一、体育用品商店运来体育用品商店运来120个篮球，是运来个篮球，是运来足球个数的足球个数的3倍，运来足球多少个？倍，运来足球多少个？课堂练习课堂练习Evaluation
4、 only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.二、根据题中的数量关系列出方程，并求出方程的解。每盒每盒18元元x元/枝原价：x元优惠：45元现价：128元每杯75gEvaluation 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.
