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Dizzy (Just for Fun)
Author:
Yen-lung Tsai
GeoGebra
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盈利與虧蝕
龙形曲线-分形龙
第八周作业1
常见四边形是否是双心四边形
百分數及其應用
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cos, sin 與單位圓
六面長方體
圖形
內心
旋转的圆锥内接锥体.许兴华数学
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Combinatorics
Isosceles Triangles
Expected Value
Diagrams
Median Line