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GeoGebra
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test
Circle Area (By Peeling!)
test
Forfatter
阮老师
test
Circle Area (By Peeling!)
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Circle Area (By Peeling!)
Nye Materialer
兩組對邊相等的四邊形
sanjiaohanshu
近似值：有效數字
兩位數除以一位數（一）
畫出對稱圖形
Opdag Ressourcer
模擬3D---圓錐曲線的產生
單相感應電動機原理
multiplication of complex number in unit circle
三次函數圖形變化觀察
駐波
dragon(龙)
Udforsk emner
Rombe
Linjestykke
Ligebenede trekanter
Addition
Funktioner
