有向數

作者：: Alex CHIK

GeoGebra 互動數學教室 http://www.geogebra.hk

目錄

有向數加減 (Part 1)
- Addition and Subtraction of Directed Numbers (1) 有向數加減(1)
- Quiz on Addition and Subtraction of Directed Numbers (1) 有向數加減測驗(1)
有向數加減 (Part 2)
- Addition and Subtraction of Directed Numbers (2) 有向數加減(2)
- Quiz on Addition and Subtraction of Directed Numbers (2) 有向數加減測驗(2)

Addition and Subtraction of Directed Numbers (1) 有向數加減(1)

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