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圆锥曲线的光学性质（双曲线）
Author:
吴礼荣
GeoGebra
New Resources
柱體建築師
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
球體建築師
【案例】圆柱体内放置一个大球六个小球
Discover Resources
chapter1
立體圖形 錐體
glt-h02-06 平行四邊形柱展開
IMO2014C
正立方體變菱形12面體
Discover Topics
Prism
Correlation
Logarithm
Sphere
Constructions