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seq,tra
Author:
chen mingchuan
GeoGebra
New Resources
三位數除以一位數（一）
三位數除以一位數（二）
画直线等分三角形的面积
球體建築師
異分母分數減法
Discover Resources
橢圓軌跡加滑桿
軌跡方程式-垂直切線
圓外切及內切
三角函數由來= =
变形的正方形
Discover Topics
Integers
Reflection
Vectors 2D (Two-Dimensional)
Function Graph
Linear Programming or Linear Optimization