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圓上的角任務(二): 提示卡
Author:
Stanley Mak
GeoGebra
New Resources
畫出對稱圖形
拼砌四邊形
三位數除以一位數（一）
【案例】2018年全国1卷理科12题
兩位數加法
Discover Resources
扇形滾動2
conjugate
ghseh 二次函數描點法左右平移-1
angle sum of triangle
五上-CP4-第三节平行四边形面积1
Discover Topics
Interest Calculation
Cosine
Cube
Similar Triangles
Orthocenter