Evaluation only. eated with Aspose.Slides for .NET 3.5 Client Profile 5.2.0
• 书PC6做op一yri做ght 2004-2011 Aspose Pty Ltd.
Evaluation only. eated with Aspose.Slides for .NET 3.5 Client Profile 5.2.0
Copyright 2004-2011 Aspose Pty Ltd.
Copyright 2004-2011 Aspose Pty Ltd.
Evaluation only. eated with Aspose.Slides for .NET 3.5 Client Profile 5.2.0
Copyright 2004-2011 Aspose Pty Ltd.
小结：线段可以横着、竖着、斜着， 但必须是直的，而且必须有两个端点。
• 画上端点别忘记
点线点
先点一个端点，用尺子再从端点引出一条直线，最后点
上另一个端点。 Evaluation only. eated with Aspose.Slides for .NET 3.5 Clien线t P点rof点ile 5.2.0
用尺子C先o画py一ri条gh直t 2线0，04再-2点01上1 两As个po端se Pty Ltd.
（ 4 ）条 （ 5 ）条
跳一跳
（ 3）条
Evaluation only. 线段
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（5 ）条
线段
• 演示：画一条长3cm的线段
点。
先点上两个端点，再用尺子画一条直 线。
点点线
下面的图形各由几条线段围成的？填在（ ）里。
（ 4 E）val条uation on（ly. 3 ）条
eated with Aspose.Slides for .NET 3.5 Client Profile 5.2.0 Copyright 2004-2011 Aspose Pty Ltd.
Evaluation only. eated with Aspose.Slides for .NET 3.5 Client Profile 5.2.0
Copyright 2004-2011 Aspose Pty Ltd.
• 画线段儿歌：
• 左手压尺用Ev点alua力tion only. eated• w右ith手CAosp拿pyorsi笔ge.hSt轻l2id0e0轻s4f-o2移r0.1N1EATsp3o.5seCPliteynLt tPdr.ofile 5.2.0
线段的认识及画法 Evaluation only.
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Copyright 2004-2011 Aspose Pty Ltd.
认识线段
1.摸一摸文具盒、课本、铅笔的边……
Байду номын сангаас2.
端点
Evaluation only.
端点
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Copyright 2004-2011 Aspose Pty Ltd.
线段
3.线段有什么特点？
线段的特点
• 1、线段是直的 • 2、线段有两个端点 • 3、线段可以量Ev出al长ua度tion only. eated with Aspose.Slides for .NET 3.5 Client Profile 5.2.0