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Author:
羅驥韡 (Pegasus Roe)
GeoGebra
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兩位數加法
祖冲之的期望：内棋与外棋
圓周公式的應用
三位數除以一位數（二）
画直线等分三角形的面积
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空間中兩向量夾角
test
數學電腦繪圖&解題
柱體斜切
中心对称与轴对称图形.许兴华数学
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Solids or 3D Shapes
Scatter Plot
Symmetry
Frequency Distribution
Circle