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Author:
蕭震
GeoGebra
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第八周作业3
百分數及其應用
撒针估算面积实验
第八周作业2
平行線的斜率
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三角
excenter of triangle
[洋葱] 二次函数中的将军饮马-下-Q2
作三角形
球面坐標
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Reflection
Parallelogram
Sphere
Solids or 3D Shapes
Probability