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方圓之間之二
Author:
Lin Ching Chieh
GeoGebra
New Resources
兩位數加法
GeoGebra笔记功能体验课件
畫出對稱圖形
【案例】圆柱体内放置一个大球六个小球
兩組對邊相等和有直角的四邊形
Discover Resources
三角形內角和(SWC)
相同圖形的拼砌（三角形）
How to draw a heptagon with ruler andcomp…
Test1
变化的三角形的旁心.许兴华数学
Discover Topics
Vectors 3D (Three-Dimensional)
Algebra
Parametric Curves
Scatter Plot
Subtraction