长方体和正方体的面各有什么特点kkkkkkkkkkkkkkkkkkkkkk!jjjjjjjjjjjjjjjjjjjjjjjjjjjj!

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长方体和正方体的面各有什么特点kkkkkkkkkkkkkkkkkkkkkk!jjjjjjjjjjjjjjjjjjjjjjjjjjjj!
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长方体和正方体的面各有什么特点kkkkkkkkkkkkkkkkkkkkkk!jjjjjjjjjjjjjjjjjjjjjjjjjjjj!
长方体和正方体的面各有什么特点
kkkkkkkkkkkkkkkkkkkkkk!jjjjjjjjjjjjjjjjjjjjjjjjjjjj!

长方体和正方体的面各有什么特点kkkkkkkkkkkkkkkkkkkkkk!jjjjjjjjjjjjjjjjjjjjjjjjjjjj!
8顶点 12棱 6面
长方体的特征
〔1〕长方体有6个面,每个面都是长方形,也可能相对的两个面是正方形.
〔2〕长方体有12条棱,相对的棱长度相等.
〔3〕长方体有8个顶点.
正方体是长方体的特殊形式,当长方体的长、宽、高相等时即为正方体.
正方体的特征
〔1〕有6个面每个面面积相等,形状完全相同.
〔2〕有8个顶点
〔3〕有12条棱,每条棱长度相等.