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二維碰撞
Author:
sunny
GeoGebra
New Resources
錐體建築師
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
異分母分數減法
找出對稱軸
Discover Resources
指數與對數的對稱性
鏡頭控制
三角形的心
Copy of 劉徽的「割圓術」
鏡射的副本
Discover Topics
Orthocenter
Derivative
Arithmetic Operations
Linear Programming or Linear Optimization
Arithmetic