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Wikijunior
:
形状/基本形状/矩形
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<
Wikijunior:Shapes
|
基本形状
这是最新的
已审阅版本
，
检查
于
2024年6月5日
。
矩形有四个相等的角和 2 组平行边。正方形也被称为矩形，因为它有 4 个相等的角和 2 组平行边.
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书籍：Wikijunior:Shapes
华夏公益教科书
