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優良作品2(怡雯)
Author:
Ching-Hui Chou
GeoGebra
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斜率的值
垂直線的斜率
讀磅
祖冲之的期望：内棋与外棋
常见四边形是否是双心四边形
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測試
伊斯蘭窗花 0410
等角作圖
探究三角形的全等條件
謝爾賓斯基三角形
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Algebra
Complex Numbers
Coordinates
Logarithm
Equilateral Triangles