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- Multiple ChoicePlease save your changes before editing any questions.
这是什么形？
三角形
梯形
椭圆形
八边形
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这些是什么形？
圆形
椭圆形
长方形
四边形
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这是多边形吗？
是的，是多边形。
不是，不是多边形。
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这是什么形？
十边形
二十边形
三十边形
九边形
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它有几个角？
一个角
三个角
四个角
没有角
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这是什么形？
八边形
正方形
四边形
五边形
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正方形比三角形多几个角？
一个
两个
三个
四个
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三角形有几个边？
五个
三个
四个
没有边
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圆形有几个边？
有一个边。
有两个边。
有三个边。
没有边。
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哪一个是五边形？
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哪一个有六条边？
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哪一个是八边形？
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哪一个不是三角形？
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哪一个是正方形？
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哪一个是菱形？Diamond/Rhombus.
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哪一个是平行四边形？Parallelogram.
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哪一个不是多边形？
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哪一个四边形的四条边一样长？
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五边形有多少条边
10
20
30
5
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正八边形可分成几个三角形。
7个
5个
8个
6个
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这个形状的角称为
直角
尖尖的角
顶点
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圆形的边称为
圆边
直边
曲边
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以上是平面图形的哪个特征？
顶点
平面
边
直线