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Author:
cheng JJ
,
Tim Brzezinski
,
Steve Phelps
GeoGebra
GeoGebra
New Resources
畫出對稱圖形
拼砌四邊形
兩位數除以一位數（一）
四邉形 (四年級) 教師版
錐體建築師
Discover Resources
YH的GGB_BOOK
正方形面積
畢氏定理
正弦公式2
(002)80201辛宇婕
Discover Topics
Linear Programming or Linear Optimization
Terms
Kite
Polygons
Coordinates