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楕圆定义
Author:
WLS
GeoGebra
New Resources
椭圆内切圆链
比較五件物件的重量
斐波那契螺旋弧线(表格法)
活动三:应用性质
GeoGebra数学资源(4-8年级)
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七巧板
讀磅 (練習)
相切的三圓
垂線作圖
五形面體 序
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Volume
Kite
Rectangle
Median Value
Expected Value