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增反膜
Author:
トトロ
GeoGebra
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第八周作业
第八周作业1
圓的基本性質
圓的切線方程
常见四边形是否是双心四边形
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雙橢
奠基
正方形推垛
平方求和V 庄皮春 (Pi-Chun Chuang)
椭圆的定义
Discover Topics
General Quadrilateral
Prism
Trigonometry
Symmetry
Reflection