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三節棍1060317
Author:
陳正鴻
GeoGebra
New Resources
四邉形 (四年級) 教師版
球體建築師
球体的体积推导
兩位數除以一位數（一）
錐體建築師
Discover Resources
牛頓定理二
國旗動畫
How to draw a triangle with ruler and compasses?
正多邊形各邊中點連線所圍成的圖形
y=sinx对称中心
Discover Topics
Congruence
Variance
Linear Functions
Bar Chart or Bar Graph
Parabola