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拋射問題
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等的四邊形
兩位數加法
三位數除以一位數（二）
異分母分數減法
Discover Resources
生活中的平面圖形─角的性質
圓錐截痕模型
Copy of 正立方體中的正四面體
PMC 2017-18
同心圓
Discover Topics
Logarithm
Geometry
Equilateral Triangles
Scatter Plot
Difference and Slope