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Author:
Ku, Yin Bon (Albert)
GeoGebra
New Resources
兩組對邊相等的四邊形
兩位數加法
【案例】2018年全国1卷理科12题
錐體建築師
三位數除以一位數（一）
Discover Resources
圓周角
幾何變換
GGB動畫-會有圖案
tan900
Copy of 分數與小數
Discover Topics
Geometry
Ratios
Cube
Cosine
Vectors