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齿轮咬合
Author:
GeoGebra Institute of WuXi
曲线指令的应用
GeoGebra
New Resources
錐體建築師
異分母分數減法
算柱 (兩位數)
【案例】2013年安徽高考15题
兩組對邊相等和有直角的四邊形
Discover Resources
三條線上的正三角形
推移畢氏
翹翹板
找中點的坐標的副本
Copy of 包含除法（1 ÷分數）
Discover Topics
Polynomial Functions
Quadratic Functions
Ratios
Vectors 3D (Three-Dimensional)
Subtraction