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GeoGebra Lesson
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圓內接四邊形任務二：提示一
Author:
Stanley Mak
GeoGebra
New Resources
四邊形的特性
近似值：有效數字
Fibonacci Clock
畫出對稱圖形
長方體平面投影 (Codex版)
Discover Resources
正四面體
gjh-f03-00 司乃耳定律
gjc102a19 三角形的對折
黃金矩形
congruent triangle_provided by Mr Yeung Kar Chun
Discover Topics
Secant Line or Secant
Frequency Distribution
Mathematics
Trigonometry
Differential Equation