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Apollonius Problem gergonne 2
Author:
tkyggb
GeoGebra
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四邊形的特性
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
錐體建築師
找出對稱軸
Discover Resources
倍數的判別
分段移動
三角函數sine跟cosine
洋葱初中数学
時距計算機
Discover Topics
Incircle or Inscribed Circle
Stochastic Process or Random Process
Trapezoid
Percentages
Indefinite Integral