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梯形面積
Author:
莊筑維
GeoGebra
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撒针估算面积实验
第八周作业2
折扣
斐波那契螺旋弧线（表格法-可动态调节）
第八周作业3
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Taiwan go
劉徽的「割圓術」
弧度制的意义
Angle Between Two Planes Definition 平面與平面間之交角 定義
HKCEE 2010 Q15
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Area
Hyperbola
Isosceles Triangles
Geometric Transformations
Linear Programming or Linear Optimization