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正三角形
Author:
陳幽靈
Topic:
Equilateral Triangles
New Resources
斐波那契螺旋弧线(表格法)
第八周作业1
异形操场
撒针估算面积实验
斐波那契螺旋弧线(表格法-可动态调节)
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Angle Sum in a Triangle
九點圓
limits
圓形
投擲兩粒骰子的可能結果
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Polynomial Functions
Fractions
Probability
Incircle or Inscribed Circle
Ratios