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Heidi Lin - Conic Section
Author:
heidi1104
GeoGebra
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兩組對邊相等的四邊形
錐體建築師
三位數除以一位數（二）
第八周作业
直角坐標平面上的旋轉變換
Discover Resources
Trigonometric Ratios: Sine 三角比：正弦
因式分解測驗
國旗
學習活動七頂點法
no10
Discover Topics
Piecewise Functions
Angles
Plane Figures or Shapes
Subtraction
Statistical Characteristics