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優良作品5(盈彤)
Author:
Ching-Hui Chou
GeoGebra
New Resources
正方形雪花图案
双心四边形
科氏力 (Coriolis Force)
活动三：应用性质
异形操场
Discover Resources
外心
正切與餘切函數
多次分割平行四邊形
畢氏定理-切割法
Trigonometric Relations(90,270)
Discover Topics
Addition
Trigonometric Functions
Conic Sections
Conditional Probability
Logic