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Uses of Trigonometry
Author:
ylleung
GeoGebra
New Resources
找出對稱軸
算柱 (兩位數)
兩位數除以一位數（二）
拼砌四邊形
第八周作业
Discover Resources
找出圖形- T的周界
练习及小结
圓外角測試
高中物理·质谱仪
正方体展开的动态
Discover Topics
Pie Chart or Circle Chart
Logarithmic Functions
Interest Calculation
Scalene Triangles
Mode