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【SIOB】光的折射、全反射、反射
Author:
石超
GeoGebra
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【案例】圆柱体内放置一个大球六个小球
找出對稱軸
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
四邉形 (四年級) 教師版
Discover Resources
拿破崙三角形(費馬點)
優良作品5(薇如)
真分數、假分數和帶分數
立方體和平面的截面
橢圓2-四圓心近似法
Discover Topics
Vectors
Conic Sections
Root
Differential Equation
Incircle or Inscribed Circle