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梯形的面積
Author:
Anthony OR 柯志明
Topic:
Area
,
Triangles
GeoGebra
柯志明 香港 GeoGebra 學院
New Resources
四邊形的特性
近似值：有效數字
拼砌四邊形
美國國旗 (Codex 版)
Earth with coastline
Discover Resources
費氏螺旋 (基本作圖)
截痕
Geometry Exercises
數軸
wind
Discover Topics
Equilateral Triangles
Differential Calculus
Mathematics
Interest Calculation
Algebra