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Outline

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

    有向數

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

    Table of Contents

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

    New Resources

    • 找出對稱軸
    • 錐體建築師
    • 三位數除以一位數(一)
    • 異分母分數減法
    • 兩位數除以一位數(一)

    Discover Resources

    • 三角形內角和(SWC)
    • Task 7: Visualize the Theorem of Thales
    • 與兩圓相切的動圓圓心軌跡
    • 量角器
    • 點的堆墮

    Discover Topics

    • Cylinder
    • Fractal Geometry
    • Triangles
    • Conic Sections
    • Pythagoras or Pythagorean Theorem
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