数形结合中勾股定理的应用○黄金声（临川市东馆中学数与形作为数学两大研究对象之间的辩证关系，华罗庚教授曾有过精辟的论述：数无形，不具体；形无数，难入微。我们在研究数量关系时，有时要借助于图形直观地去研究，而在研究图形时，又常借助于线段或角的数量关系去探... Application of the Pythagorean Theorem in the Combination of Numbers and Shapes ○ Golden Sound (The dialectical relationship between the number of middle schools in Linchuan City and the shape as the two major research objects of mathematics. Professor Hua Lugeng had a brilliant exposition: number is invisible, not specific; Innumerable, it is difficult to understand.When we study quantity relations, we sometimes need to use graphs to intuitively study, and in the study of graphs, we often use line segments or angles to explore...