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《中小学数学》(初中版)2010年第7-8期刊载了黄文雄老师的文章《关注细节,学会质疑》和周亚红老师的文章《“约10亿”是精确到哪一位?》,笔者经过仔细研读后,深受启发,也借贵刊提出自己的看法,不正之处,敬请指正.《关注细节,学会质疑》一文:文中说:把一个数表示成另外一个数时要加上条件,可能失去它原有的意义.这句话说得非常好,我非常赞同作者的观点.但文中有自相矛盾的地方:
“Primary and secondary mathematics” (junior high school edition) in 2010, No. 7-8 published Huang Wenxiong's article “attention to detail, learn to question,” and Zhou Yahong's article “” about 1 billion “is the exact one? , The author after careful study, deeply inspired, but also by your publication put forward their own views, not correct, please correct me. ”Concerned about the details, learn to question," a text: the text said: the number one when expressed as another With the conditions, it may lose its original meaning.This sentence is very good, I very much agree with the author's point of view.But the article contradictory: