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勾股定理
Author:
艳er
GeoGebra
New Resources
讀磅
漂亮的摇摆曲线
球体的体积推导（优化版）
画直线等分三角形的面积
科氏力 (Coriolis Force)
Discover Resources
line equation
gjh-e01-03 未知數邊長的三角形
Ch 12 Angles related to straight lines
angle in semi-circle
微積分基本定理的副本
Discover Topics
Special Points
Circle
Subtraction
Square
Complex Numbers