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3-3-06
Author:
Tzuen Hsu
GeoGebra
New Resources
圓的切線方程
平行線的斜率
画直线等分三角形的面积
漂亮的摇摆曲线
三位數除以一位數（一）
Discover Resources
E-X 电势-X
周界
作業
兔子繁殖树状图（斐波那契数列）
面積趣味題
Discover Topics
Statistics
Straight Lines
Logic
Hypothesis Testing
Geometric Mean