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1、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.一個數(shù)除以整數(shù)，等于這一個數(shù)除以整數(shù)，等于這個數(shù)乘整數(shù)的倒數(shù)個數(shù)乘整數(shù)的倒數(shù)Evaluation only.Created with Aspose.

2、Slides for.NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.媽媽買來 張大餅，把它平均分成3 份，每份是這張大餅的幾分之幾？把 張大餅平均分成3份，就是把一張大餅平均分成 份，每份是求每份是多少，就是求 的 是多少，用乘法Evaluation only.Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.一個數(shù)除以一個數(shù)除以整數(shù)整數(shù)（0 0除外）等于除外）等于

3、這個數(shù)乘整數(shù)的這個數(shù)乘整數(shù)的倒數(shù)倒數(shù)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.例例 把把2升消毒液倒入可裝升消毒液倒入可裝 消毒液消毒液的瓶子中，至少需要幾個瓶子？的瓶子中，至少需要幾個瓶子

4、？Evaluation only.Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.把把 升和升和 升都化成毫升，升都化成毫升，用除法計算用除法計算2升=2000毫升升=400毫升 2000400=5（個）列出除法算式列出除法算式 ，用用2 2乘乘 的倒數(shù)的倒數(shù) （個）（個）一個數(shù)除以一個數(shù)除以分?jǐn)?shù)分?jǐn)?shù)，等于這個數(shù)乘分?jǐn)?shù)，等于這個數(shù)乘分?jǐn)?shù)的的倒數(shù)倒數(shù)Evaluation only.Created with Aspose.Slides for.NET 3

5、.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.解：設(shè)至少需要解：設(shè)至少需要x個瓶子個瓶子答：至少需要答：至少需要5 5個瓶子個瓶子Evaluation only.Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.（2）把）把 升消毒液倒入同樣的瓶子中，升消毒液倒入同樣的瓶子中，至至 少需要幾個瓶子？少需要幾個瓶子？（個個）列方程解答列方程解答解：設(shè)至少需要解：設(shè)至少需要x個瓶子

6、個瓶子答：至少需要答：至少需要3個瓶子個瓶子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.本課小結(jié)本課小結(jié)同學(xué)們，今天你們有什么同學(xué)們，今天你們有什么收獲？收獲？Evaluation only.Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.Copyright 2004-2011 Aspose Pty Ltd.