《2012高一数学1.2.3循环语句课件新人教A版必修3.ppt

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2016-12-30 发布于北京
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《2012高一数学1.2.3循环语句课件新人教A版必修3.ppt

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1.2.3　循环语句 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. 学习目标 1．通过案例了解循环语句格式，了解用循环语句处理求和、求积问题． 2．了解用条件语句实现循环的方法． 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. 课堂互动讲练知能优化训练 1.2.3 循环语句课前自主学案 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. 课前自主学案温故夯基 1．条件语句主要用来实现算法中的_____结构,一般有两种格式，一种是_________________格式；另一种是___________格式．条件 IF—THEN—ELSE IF—THEN 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. 2．程序框图中的循环结构包括两种，一种是_____型(UNTIL)循环结构，一种是___型(WHILE)循环结构．_____型循环结构是先执行一次循环体，再对条件进行判断； ___型循环体结构则先对条件判断，再决定是否执行循环体. 直到当直到当 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. 3．下图的算法功能是求积为48的两个相邻正偶数，输出的结果为6,8. 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. 知新益能循环结构直到型语句当型语句 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. Copy