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20170421_001
Author:
sinmei5
GeoGebra
New Resources
球體建築師
兩位數除以一位數(二)
拼砌四邊形
四邉形 (四年級) 教師版
柱體建築師
Discover Resources
Sine Formula 正弦公式
判斷錐體 2
任意兩正方形切割重組成一大正方形之動態證明
拋物線與直線相交弓形區域
手机下载课件
Discover Topics
Cuboid
Conic Sections
Surface
Kite
Symmetry