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正4正8黏合
Author:
Wu Xiao-Ren
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
三位數除以一位數（二）
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
判斷球體
Discover Resources
應用圓周率: 題3
day01_03
餘弦函數 y=Cos(x)
力的合成
[洋葱] 与相似有关的最值问题-Q2
Discover Topics
Plane Figures or Shapes
Fractal Geometry
Bar Chart or Bar Graph
Tangent Line or Tangent
Solids or 3D Shapes