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要学好正方体的展开与折叠,关键是能够熟练地进行平面图形与空间几何体的相互转换.最常见的是正方体及其平面展开图,因此,学好这部分内容需要同学们注意学习和总结有关正方体及其平面展开图.
To learn how to unfold and collapse the cube, the key is to be able to skillfully perform the mutual transformation between plane graphics and spatial geometry. The most common is the cube and its flat development. Therefore, learning this part requires students to pay attention to learning and summarizing related cubes. Its flat expansion.