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鏡面反射光線
Author:
紀老師
鏡面反射光線的動畫 入射角=反射角
GeoGebra
New Resources
斐波那契螺旋弧线(表格法)
撒针估算面积实验
双心四边形
异形操场
第八周作业1
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龍騰4_1-1習10
腳踏車輪圈2
Copy of 圓方程 (標準式與一般式)
勾股定理
圆周上的动点形成椭圆
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Volume
Median Line
Root
Cosine
Parallelogram