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  1. 有向數
    1. 有向數加減 (Part 1)
    2. 有向數加減 (Part 2)

    有向數

    Höfundur:Alex CHIK
    GeoGebra 互動數學教室 http://www.geogebra.hk
    有向數

    Efnisyfirlit

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

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    • 四邊形的特性
    • Fibonacci Clock
    • Claude 解幾何題
    • 長方體平面投影 (Codex版)
    • 兩組對邊相等和有直角的四邊形

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