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Apollonius Problem kissing coin problem
Author:
tkyggb
GeoGebra
New Resources
三角函数 的副本
盈利與虧蝕
龙形曲线-分形龙
直線的斜率：水平變化 & 鉛垂變化
平行線的判定
Discover Resources
整數的減法
圖C
分數乘法的副本
聯動鐘面
水流問題(黑板)
Discover Topics
Fractions
Confidence Interval
Trigonometric Functions
Binomial Distribution
Linear Regression