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近二十年来,随着现代数学的蓬勃发展和一个又一个新领域的开拓,人们对初等数学的兴趣又浓厚起来了。对一些古老题材的重新研究,若干几乎被遗忘的东西,突然以新的姿态出现在数学历史舞台上,如优选法的发展促使人们重新研究黄金分割、裴波那契序列、连分数这些古老的内容;组合数学的兴起,又把古代的纵横图(幻方)、七桥问题等重新请了出来;发掘古算宝藏(贾宪三角,孙子算法,祖冲之求π,刘徽割圆术、垛积术等)的热潮方兴未艾;对已探索了上千年的问题,如三角形、四面体的有关
In the past two decades, with the rapid development of modern mathematics and the development of new fields one after another, people’s interest in elementary mathematics has grown. The re-study of some ancient themes, a number of things that were almost forgotten, suddenly appeared on the stage of mathematics history with a new attitude. For example, the development of the optimization law prompted people to re-examine the ancient contents of the golden section, the Ribocitic sequence, and the scores. The rise of combinatorial mathematics reintroduced the ancient vertical and horizontal maps (magical squares) and the Seven Bridges issue; excavation of ancient treasures (Jia Xian triangle, grandson algorithm, Zu Chongzhi Qi, Liu Huichuang, hoarding The upsurge of surgery, etc.) is in the ascendant; the problems that have been explored for thousands of years, such as triangles and tetrahedrons