《中小学数学》(小学版)2013年第1-2期刊发了笔者的《用合理的方法导出合适的结论》,文章是基于阅读《称有形·找有方·用有数》(2010年第10期)和《我的方法与结论》(2012年第6期)两篇文章后所作的思考与探索。在思考与写作的过程中,笔者也发现,面临不同的情形,面对不同的对象(如成人与小学生),使用不同的策略与方法,可能就会得出不同的结论。因此,在行文的过程中,尽量审慎地使用“合理”、“合适”等字眼,因为毕竟谁也无法保证,除此之外就不会 “Primary and Secondary Mathematics” (Primary School Edition) in 2013 No. 1-2 published the author’s “reasonable method of deriving appropriate conclusions,” the article is based on the reading “ 10 issues) and ”My method and conclusion“ (6 of 2012) after two articles made by the thinking and exploration. In the process of thinking and writing, I also find that different situations and different strategies (eg adults and primary school students) may lead to different conclusions in the face of different situations. Therefore, in the process of writing, try to use the words ”reasonable“, ”proper" as much as possible, because no one can guarantee that after all,