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椭圆的光学性质
Author:
孟宝兴
GeoGebra
New Resources
第八周作业1
盈利與虧蝕
第八周作业2
科赫雪花
球体的截面
Discover Resources
廣義三角函數
proof RHS
Quiz on Index Notation 指數記數法:測驗
DSE Circle-ACT01D Distance of Chords and Centre of a Circle
泰北2017GGB研習