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Apollonius Problem kissing coin problem
Author:
tkyggb
GeoGebra
New Resources
讀磅
直線的斜率
圓的切線方程
直線的斜率：水平變化 & 鉛垂變化
垂直線的斜率
Discover Resources
坐標網格的複數映射（次方）
函数作图工具的副本
探索三角形外角定理
高中物理·小船过河问题
七年级数学平行线间的橡皮筋问题
Discover Topics
Statistical Characteristics
Plane Figures or Shapes
Sequences and Series
Geometric Transformations
Ellipse