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橢圓軌跡
Author:
Mason Chang
橢圓軌跡
GeoGebra
New Resources
Earth with coastline
判斷球體
sanjiaohanshu
算柱 (兩位數)
近似值：有效數字
Discover Resources
正弦函數描點作圖
作業
直角坐標變換：測驗(ALEX CHIK)
mooc第四讲椭圆反射
以多維度解釋標準差
Discover Topics
Similar Triangles
Angles
Pythagoras or Pythagorean Theorem
Linear Programming or Linear Optimization
Interest Calculation