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directed number_hot air balloon
Author:
Kenneth
New Resources
變異數
冲关选18
日照与影长
迭代2
正弦函数自变量的几何显示
Discover Resources
三角形的四心 - 昱崧同學
glt-c05-06 正六角錐旋轉
小遊戲(Butterfly)
李樂雯_尋找PI的活動
projection02
Discover Topics
Straight Lines
Intersection
Interest Calculation
Ellipse
Incircle or Inscribed Circle
