论文部分内容阅读
例有一条长度为359mm的铜管,把它锯成长度分别为59mm和39mm两种不同规格的小铜管(要求没有余料),每锯一次损耗1mm的铜管材料.为了使铜管损耗最少,应分别锯成59mm的小铜管段,39mm的小铜管段.(浙江温州市中考试题)分析与解答:在解答这道题目之前,让我们
For example, there is a copper tube with a length of 359mm, which is sawn into two small copper tubes of different sizes, 59mm and 39mm in length respectively (requiring no excess material). The copper tube material with a loss of 1mm per saw is lost. In order to minimize the loss of copper pipes, a small 59mm copper section and a small 39mm copper section should be sawn respectively. (Zhejiang Wenzhou Middle School Examination) Analysis and Answer: Before answering this question, let us