贵刊于1987年第7期发表了题为“关于一道最小值问题的解法”(以下简称“解法”)一文,在文中作者给出了两种解法,都是构造图形处理的。细读起来,总觉得解法偏繁,似乎也有些牵强附会。其“解法Ⅲ”实际上是验证而已,何况这不是“一旦”能“估计”到的。至于如何求 In the 7th issue of 1987, your magazine published a paper entitled “The solution to a minimum problem” (hereinafter referred to as “solution”). In the article, the author gives two kinds of solutions, which are constructed graphic processing. When I read it carefully, I always feel that the solution is too complicated and seems to be far-fetched. Its “solution III” is actually a verification, not to mention that this is not “once” can be “estimated”. As for how to demand