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鈍角三角形和矩形等積轉化
Author:
Li Lok Man
GeoGebra
New Resources
折扣
活动三：应用性质
异形操场
三角函数 的副本
直線的斜率：水平變化 & 鉛垂變化
Discover Resources
錐體體積與柱體體積的關係
happy planet
四次函數圖形
錯角---水平平行綫
計算圓弧長度
Discover Topics
Inequalities
Tangent Function
Calculus
Rectangle
Upper and Lower Sum or Riemann Sum