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勾股定理源于生活,贴近现实.它不但揭示了直角三角形三边之间的数量关系,把数与形结合起来,而且可以解决许多与实际生活紧密联系的问题.现举例说明.
The Pythagorean theorem originates from life and is close to reality. It not only reveals the quantitative relationship between the three sides of a right-angled triangle, combines numbers with shape, but also solves many problems that are closely related to real life. Now illustrate.