《中小学数学(初中版)》2012年第12期《对一道竞赛题的探究》(简称文[1]),读后发现文[1])中的“正确的解法”思路是正确的,所求的答案却与题目的条件相矛盾,不符合题意.文[1]中所谓的“错解一”、“错解二”思路也是正确的,解题过程也没有任何纰漏.三种 “Primary and secondary school mathematics (Junior High School Edition)” 2012 the twelfth period “on a contest of exploration” (referred to as the text [1]), read after reading article [1]) in the “correct solution” idea is correct , The answer to the question is contradictory with the condition of the title, which is not in conformity with the title. The so-called “wrong solution” and “wrong solution” in the text [1] are also correct, and the solution process There are no mistakes. Three