三视图还原是新课标下高考的常考题型,在还原中我们多数靠直观感和课本的基本图形进行还原。而在还原中多面体的垂直关系、长度较易出错,进而导致所求的表面积、体积出现错误。那么在还原中如何使这些问题能清晰地呈现在我们面前,让学生更易理解是教师应该思考和解决的问题。鉴于多面体是由长方体分割而成,本文将其放 Three-view reduction is a common test questions under the new curriculum standard college entrance examination in the restoration of most of us by intuitive and textbook basic graphics to restore. In the restoration of the vertical relationship between the polyhedron, the length of more error-prone, resulting in the required surface area, volume error. So how to make these problems clear in the restoration in front of us, to make students easier to understand is that teachers should think and solve the problem. Since the polyhedron is a cuboid divided, this article put it