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龐左錯覺
Author:
Pin Lun
GeoGebra
New Resources
異分母分數減法
四邊形的特性
兩組對邊相等的四邊形
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
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時間參數跳躍函數與向量搭配
角的大小與角兩臂的長度有關？
柯西不等式 (2)
Ex.1
勝者即正義，可愛即正義~
Discover Topics
Statistics
Pythagoras or Pythagorean Theorem
Solids or 3D Shapes
Scalene Triangles
Orthocenter