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切割正十二面體
Author:
薛鈞聰
GeoGebra
New Resources
柱體建築師
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
直角坐標平面上的旋轉變換
算柱 (兩位數)
Discover Resources
近似值：小數位及有效數字
南女校徽外型
Locus: Equidistance From Two Intersecting Lines
外積分配律
椭圆的光学性质
Discover Topics
Fractions
Tangent Line or Tangent
Quadrilaterals
Straight Lines
Cone