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未命名
Author:
Kook kin yip
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等的四邊形
找出對稱軸
兩組對邊相等和有直角的四邊形
第八周作业
Discover Resources
Division Algorithm & Remainder Therorem 除法算式與餘式定理
Reflectional symmetry of Triangular prism
三角形重心、垂心、內心、外心、尤拉線、九點圓圖解
探索“三等分点连线围成的小三角形”的特点
竞猜游戏：说出图中角的大小
Discover Topics
Scatter Plot
Special Points
Arithmetic Operations
Real Numbers
Secant Line or Secant