哈佛大学是美国的一所著名大学,也是全世界著名的高等学府之一.哈佛大学的入学试题,自然成为一些有心者的收集对象.在哈佛大学的入学试题中,曾经有过下面这道数学填空题:请在下面这一组图形符号中找出它们所蕴含的内在规律,然后在那根横线的空白处填上恰当的图形.图1图1中的六个图形,第三个是8字形,最后一个 Harvard University is a famous university in the United States, is also one of the world famous institutions of higher learning. Harvard entrance exams, naturally become the object of the collection of those who are interested in. Harvard University entrance exam, there have been the following math Fill in the blank: Please find the following in this group of graphic symbols that they contain the inherent law, and then fill in the blank space appropriate graphics Figure 1 Figure 1 in the six graphics, the third Is a figure of eight, the last one