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为了更深刻地理解平面图形与立体图形之间的关系,我对正方体的展开图形进行了初步探究. 1.实验方法 我找了几个正方体包装盒,沿包装盒的棱将包装盒剪开,先大致了解正方体平面展开图的特点.然后我进行了以下的实验操作:
In order to understand the relationship between the plane graphics and the three-dimensional graphics in a deeper sense, I conducted a preliminary exploration of the unfolded graphics of the cube. 1. Experimental Methods I found several boxes of rectangular boxes and cut the boxes along the edges of the box. First understand the characteristics of the square plane expansion diagram. Then I performed the following experimental operations: