{"description":"\u672c\u6587\u306f\u5185\u5bb9\u7684\u306b\u53e4\u304f\uff0c\u66f4\u65b0\u3059\u308b\u4e88\u5b9a\u306f\u3042\u308a\u307e\u305b\u3093\uff0e\u304b\u308f\u308a\u306b\u4ee5\u4e0b\u306e\u8a18\u4e8b\u3084\u6587\u732e\u304c\u53c2\u8003\u306b\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\uff0e \u7a4d\u306b\u57fa\u3065\u304f\u4e57\u6cd5\u306e\u8a8d\u8b58\u306b\u3064\u3044\u3066 \u5cb8\u672c\u5fe0\u4e4b: \u5c0f\u6570\u306e\u4e57\u6cd5\u306b\u304a\u3051\u308b\u5b66\u7fd2\u72b6\u614b\u306e\u79fb\u884c, \u5bcc\u5c71\u5927\u5b66\u6559\u80b2\u5b9f\u8df5\u7dcf\u5408\u30bb\u30f3\u30bf\u30fc\u7d00\u8981, No.1, pp.1-8 (2000). http://doi.org/10.15099/00001082 Greer, B.: Multiplication and Division as Models of Situations, Handbook of Research on Mathematics Teaching and Learning, National Council o\u2026","blog_title":"\u308f\u3055\u3063\u304dhb","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakehikom.hateblo.jp%2Fentry%2F20121220%2F1355950759\" title=\" \u7a4d\u30fb\u500d\u30fb\u7a4d\u301c\u65b0\u305f\u306a\u304b\u3051\u7b97\u306e\u30b5\u30f3\u30c9\u30a4\u30c3\u30c1 - \u308f\u3055\u3063\u304dhb\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/t/takehikom/20121220/20121220055514.jpg","width":"100%","type":"rich","height":"190","title":" \u7a4d\u30fb\u500d\u30fb\u7a4d\u301c\u65b0\u305f\u306a\u304b\u3051\u7b97\u306e\u30b5\u30f3\u30c9\u30a4\u30c3\u30c1","version":"1.0","published":"2012-12-20 05:59:19","author_name":"takehikom","provider_url":"https://hatena.blog","url":"https://takehikom.hateblo.jp/entry/20121220/1355950759","author_url":"https://blog.hatena.ne.jp/takehikom/","categories":["5\u00d73"],"blog_url":"https://takehikom.hateblo.jp/"}