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正方体的六个面都是正方形,所以正方体的平面展开图是由六个正方形所组成,按不同的方式展开会得到不同的平面展开图,归纳起来可以分为以下的四类11种:
The six sides of the cube are all squares. Therefore, the flat development of the cube is composed of six squares. Expanding in different ways will produce different plane unfoldings, which can be summarized into the following four categories: