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S2 Chapter11.2 選擇適當的三角比
Author:
Li Woon Chung
Topic:
Trigonometry
GeoGebra
New Resources
找出對稱軸
球體建築師
兩位數除以一位數（二）
Nested spiral octagon
異分母分數減法
Discover Resources
優良作品4(楚耘)
簡單動畫
test
圓相切
Copy of 畢氏樹
Discover Topics
Standard Deviation
Optimization Problems
Surface
Inequalities
Hypergeometric Distribution