贵刊在1999年第3期上有刊登了《一道竞赛题的第四种解法》一文。(以下简称Ⅱ文).这种解法值得商榷。这篇文章源于贵刊1998年第1期上的《有多余条件的应用题的解法》一文(以下简称Ⅰ文)。原题是1996年小学数奥赛试题中的一道题目:“龟兔进行万米赛跑,兔子的速度是龟的5倍, You published in the third issue in 1999 there is a “fourth contest solution title” article. (Hereinafter referred to as Ⅱ text). This solution is questionable. This article originates from the article entitled “Solutions of Applied Problems with Excessive Conditions” (No. The original title is the primary school in 1996, the number one test in the Olympic question: "Turtle rabbit for 10-meter race, the rabbit's speed is 5 times the turtle,