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翰林數學_2下_CH3-1_三角形的外角定理
Author:
翰林數學
GeoGebra
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比較五件物件的重量
龙形曲线-分形龙
盈利與虧蝕
平行線的判定
第三周作业效果演示
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Angle at Centre & Angle at Circumference: Proof 圓心角與圓周角:証明
貝氏曲面
二維序列物件
test
C60足球模型(金丝彩球)
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Numbers
Circumcircle or Circumscribed Circle
Geometric Transformations
Kite
Vectors 2D (Two-Dimensional)