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normal vector
Author:
Aoi Yamada
normal vector
GeoGebra
New Resources
三位數除以一位數（二）
四邉形 (四年級) 教師版
四邊形的特性
兩位數加法
兩組對邊相等的四邊形
Discover Resources
平面鏡成像 Image of Plane Mirror Reflection
由組織圖到頻數多邊形及頻數曲線
奠基
qqqqqqqqqq
S0G5平均不等式（无字证明）
Discover Topics
Centroid or Barycenter
Differential Equation
Intersection
Algebra
Division