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Home > Wen Yuan (High School Edition) > 2019 No.03 > "负负得正"实际意义的一些浅显思考

  • "负负得正"实际意义的一些浅显思考

    Author(s)：

    黄浩

    Publication Title：

    Wen Yuan (High School Edition) 2019 No.03

    Affiliations：

    固镇县实验小学 安徽 蚌埠 233700

    Abstract：

    笔者九年前在亳州市利辛县一所初中学校教了一年七年级数学(沪科版),当上到课本28-29页"有理数的乘法"时,遇到两个负数相乘的时候,我一心想举个实际例子,以便学生能够理解负数乘负数为什么得数为正,却一直想不起来,很是苦恼,这次学校要求写论文,迫于刚教六年级数学,对课本没有多少感想,就又思考起"负负得正"这个问题,得到一些想法,不知对否,以供拍砖.

    Keywords：

    负负得正;实际意义;浅显思考

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    [1] 黄浩."负负得正"实际意义的一些浅显思考[J].Wen Yuan (High School Edition),2019(03),.

文渊(高中版)
Wen Yuan (High School Edition)

Language: 中文

CN：11-9276/G

ISSN：2096-6288

Publication Frequency: 月刊

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