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GeoGebra
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GeoGebra
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Author:
李政憲
GeoGebra
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圓的切線方程
平行線的判定
盈利與虧蝕
龙形曲线-分形龙2
百分數及其應用
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Roger Test Draw
乘法運算
相似三角形
BkD_act15_02c
轉移矩陣 (馬可夫鏈)的副本
Discover Topics
Arithmetic Operations
Ratios
Real Numbers
Equilateral Triangles
Similar Triangles