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geo123
Author:
hsu hung yang
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GeoGebra
New Resources
画直线等分三角形的面积
直角坐標平面上的旋轉變換
球體建築師
兩位數除以一位數(二)
兩位數加法
Discover Resources
距離和
判斷錐體 5
Dizzy (Just for Fun)
What's wrong
二元线性规划的图解法(练习2)
Discover Topics
Rotation
Arithmetic Operations
Random Variables
Linear Functions
Geometric Distribution