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在近几年出现的新题型中,常会遇到一类将正方形或长方形纸片按照某一方式折叠,然后剪去其中一部分或挖去中间一部分,最后展开,让同学们确定展开图形的形状问题,它是近年各类考试中的热点题型。由于这类试题能够考查同学
In recent years, the new question types often encounter a class of square or rectangular paper folded in a certain way, and then cut off some of them or dug the middle part, and finally expanded to allow students to determine the shape of the expanded figure Problem, it is a hot topic in all kinds of exams in recent years. Due to such questions can test students