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簡易文氏圖
Author:
陳兪宏
簡易文氏圖
GeoGebra
New Resources
球体的体积推导
漂亮的摇摆曲线
兩位數除以一位數（二）
兩位數加法
祖冲之的期望：内棋与外棋
Discover Resources
二次函數圖形的描繪
Quiz on Solving Right Triangles (Finding Angles) 解直角三角形：測驗2（求角度）
Similar triangles
橢圓1-同心圓法
橢圓2-四圓心近似法
Discover Topics
Quadratic Equations
Poisson Distribution
Natural Numbers
Surface
Dilation