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Percentage
Author:
harryau
Explain the usage of percentage
GeoGebra
New Resources
三位數除以一位數（二）
找出對稱軸
兩組對邊相等和有直角的四邊形
錐體建築師
四邉形 (四年級) 教師版
Discover Resources
Angle at Centre Twice Angle at Circumference
Quiz on Projection of a Line Segment on a Plane 投影：測驗
-1/8 ≤ cosα cosβ cosγ ≤ 1
Interesting Geometric Theorem
抛物线定义
Discover Topics
Probability
Hypergeometric Distribution
Special Points
Boxplot
Stochastic Process or Random Process