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Question 1
Author:
Shum Kwok Ching
GeoGebra
New Resources
平行線的斜率
圓的切線方程
直線的斜率：水平變化 & 鉛垂變化
撒针估算面积实验
折扣
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軌跡觀察---兩圓上線段中點
請做出一正三角形
不规则平移
扇形滚动(圆心角半径可变)
龙形曲线-分形龙
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Equations
Surface
Binomial Distribution
Statistics
Vectors