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平面外積、有向面積、二階行列式
Author:
羅驥韡 (Pegasus Roe)
Topic:
Vectors
GeoGebra
New Resources
三位數除以一位數（二）
畫出對稱圖形
拼砌四邊形
兩組對邊相等和有直角的四邊形
兩組對邊相等的四邊形
Discover Resources
三角形外心-性質說明
三個外切圓
正四面體對邊向量垂直作圖證明
橢圓面積的計算
旋轉正方形
Discover Topics
Dilation
Line Segment
Orthocenter
Interest Calculation
Linear Programming or Linear Optimization