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三角函數的疊合
Author:
李春培
三角函數的疊合
GeoGebra
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【案例】圆柱体内放置一个大球六个小球
判斷球體
兩組對邊相等的四邊形
畫出對稱圖形
算柱 (兩位數)
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三角形的四心 - 昱崧同學
餘弦定理的圖形證明
盾牌~~~~
課堂工作紙(二)
繡曲線04
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Special Points
Arithmetic
Congruence
Curve Sketching
Circumcircle or Circumscribed Circle