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密鋪5
Author:
chen mingchuan
GeoGebra
New Resources
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
四邊形的特性
三位數除以一位數（二）
兩組對邊相等的四邊形
Discover Resources
長方形和正方形的面積_題A至E
Homework8
电子表格建点
Ex5C#4
圓周角與圓心角之度數關係臆測（圓心在圓周角的內部）
Discover Topics
Vectors 3D (Three-Dimensional)
Circumcircle or Circumscribed Circle
Cosine
Ratios
Differential Calculus