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切割正二十面體
Author:
薛鈞聰
GeoGebra
New Resources
sanjiaohanshu
算柱 (兩位數)
異分母分數減法
錐體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
了解圓方程(0)
勝敗機率
球體的特性 (old)
小阿樂
Solve ax + b = c | 解方程（樣式： ax + b = c ）
Discover Topics
LCM and GCD
Pythagoras or Pythagorean Theorem
Derivative
Quadrilaterals
Circle