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Proof77 - 楊筑雯
Author:
郭亮偉
GeoGebra
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第八周作业1
第八周作业3
三角函数 的副本
第八周作业
平行線的斜率
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繞行
拋物線
IMO2015C
Subdivision
椭圆的定义
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Angles
Tangent Line or Tangent
Frequency Distribution
Line Segment
Symmetry