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Projection of vector in R2
Author:
sealion1215
GeoGebra
New Resources
錐體建築師
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
【案例】圆柱体内放置一个大球六个小球
算柱 (兩位數)
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前景背景
Parallelogram 02
分段移動
勝者即正義
邊長與三角形
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Translation
Incircle or Inscribed Circle
Division
Means
Variance