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1-2動動腦
Author:
Lin Ching Chieh
GeoGebra
New Resources
異分母分數減法
三位數除以一位數（一）
直角坐標平面上的旋轉變換
找出對稱軸
兩組對邊相等的四邊形
Discover Resources
橢圓規
模擬隨機變數的「總和」
學測105-9
不規則形陰影作圖2
畢氏定理
Discover Topics
Line Segment
Arithmetic Mean
Surface
Cube
Parabola