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Title: 正負數的概念及其加減運算
Other Titles: Teaching Negative Number and Number Operations: Addition and Subtraction
Authors: 林保平
Issue Date: Apr-2005
Publisher: 臺灣師範大學科學教育中心
National Taiwan Normal University Science Education Center
Other Identifiers: 57597DB7-4C39-5F67-0BBD-2E0A26346F10
Appears in Collections:科學教育月刊

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