《中小学数学》(小学版)2012年第6期发表了马永红的《我的方法和结论》一文(以下简称《马文》)。该文针对2011年第10期发表的杨彩琴的《称有形·找有方·用有数——谈“找次品”的方法提升策略》(以下简称《杨文》)中存在的一些错误进行了分析,并介绍了自己的方法和结论。《杨文》“找次品”的方法提升策略中有这样一道题:“一批零件共有6个,其中一个是次品,外观与正品没有区别,但质量不相同,如何称?最少称几次才能保证找出次品?”杨老师通过“分一分”、“称一称”、“找 ”Primary and secondary mathematics“ (Primary Edition) 2012 sixth issue of Ma Yonghong ”my method and conclusion“ article (hereinafter referred to as ”Marvin“). The article for the 2011 issue of the 10th issue of Yang Caiqin’s ”claim to find something to use a few - to talk about“ to find defective ”method to enhance strategy“ (hereinafter referred to as ”Yang Wen“) there are some errors Conducted an analysis and introduced her own methods and conclusions. ”Yang Wen“ ”to find defective “ method to enhance the strategy has such a problem: ”A total of six parts of a batch, one of them is defective, appearance and genuine no difference, but the quality is not the same, how to say? At least a few times to ensure that we can find out defective? “Yang by ”, “said ”, "find