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“十字交叉法”巧解化学计算题
引用本文:陈建如. “十字交叉法”巧解化学计算题[J]. 河北北方学院学报(社会科学版), 1998, 0(Z2)
作者姓名:陈建如
作者单位:张家口师范专科学校化学系!张家口075028
摘    要:介绍了中学化学计算中常用的一种简化运算形成一“十字交叉法”,并通过例证加以说明,以澄清部分老师和学生不明其理只会引用的模糊概念,弄清其来龙去脉。

关 键 词:十字交叉法  中学化学  计算

Cross Method-A clever Solution to Chemistry Calculation
Chen Jianru. Cross Method-A clever Solution to Chemistry Calculation[J]. Journal of Hebei North University, 1998, 0(Z2)
Authors:Chen Jianru
Abstract:This paper introduces Cross Method,a simplified calculating formula frequently used in middle school chemistry calculation ,and illustrates by Mathemalic deduction for the purpose of clarifying the vague conceptions which can only be understood but not used by some of the teachers and students and making clear the origin and development of these conceptions.
Keywords:Cross Method  Middle School Chemistry   Calculation
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