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waaachen
Author:
陳兪宏
waaachen
GeoGebra
New Resources
兩位數加法
異分母分數減法
柱體建築師
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
Discover Resources
軸對稱
陳人瑜proof81
三角函數圖形（全）
Angles formed by parallel lines and transversal
Light reflected in hyperbola的副本
Discover Topics
Pythagoras or Pythagorean Theorem
Tangent Function
Conic Sections
Algebra
Fractions