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waaachen
Author:
陳兪宏
梯形+二次函數
GeoGebra
New Resources
錐體建築師
兩組對邊相等和有直角的四邊形
四邊形的特性
三位數除以一位數（一）
球体的体积推导
Discover Resources
畢式定理 (07)
Apollonius Problem 5 CPP Inversion
阿波羅圓
畢氏定理拼圖007(8片)
小五_近似值
Discover Topics
Linear Programming or Linear Optimization
Straight Lines
Derivative
Complex Numbers
Geometry