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中線平方定理在圓上應用
Author:
hsu hung yang
GeoGebra
New Resources
正方形雪花图案
撒针估算面积实验
折扣
平行線的判定
科氏力 (Coriolis Force)
Discover Resources
量度活動所用的時間 (時、分)
線之極點定理 / pole of a line theorem
周界
Kumamon
Pyth. theorem
Discover Topics
Inequalities
Isosceles Triangles
Matrices
Linear Functions
Vectors 2D (Two-Dimensional)