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《中小学数学》(2015年)第1-2期姚华的《一类不定线段最值的构造求解法》,作者对“将军饮马”问题的逆向思考,让人欣喜,有一种“山重水复疑无路,柳暗花明又一村的感觉”.但作者在论述“将军饮马”问题实质时,出现了两处纰漏,现将其指出.一、情景再现“将军饮马”模型解决的是:在一条定直线上求一点,使得该点到这条直线同侧或异侧的两个定点的距离之和或距离之差最大的问题.
“Elementary and Middle School Mathematics” (2015) No. 1-2 Yao Hua’s “Constructive Method of the Most Value of a Class of Uncertain Line Sections” makes people feel happy that there is a kind of reverse thinking on the issue of “generals to drink horses” However, when the author discusses the essence of the issue of “generals drinking horses,” there are two mistakes, and now it is pointed out. “The scene is reproduced” General to drink horse "model is solved: in a straight line for a little, so that the point to this line ipsilateral or heterosexual two fixed-point distance or the biggest difference between the distance problem.