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《中小学数学》(小学版)2006年第4期刊出了甘肃省顾老师的《也谈“实践出真知”》一文(下称“顾文”),文中顾老师探讨了《中小学数学》(小学版)2005年第1～2期吴老师的《实践出真知》一文(下称“吴文”)中的一道有关几何知识的练习题
“Primary and secondary mathematics” (2006) published the fourth issue of Gansu Province in Gu Gu, “also talk about ” practice out of truth “” a text (hereinafter referred to as “Gu Wen Primary and secondary mathematics ”(primary school edition) 2005 first ~ 2 Wu teacher“ practice out of truth ”(hereinafter “ Wu Wen ”) in a knowledge of the exercises on geometry