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GeoGebra
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No.1
Author:
Khmaths
GeoGebra
New Resources
算柱 (兩位數)
拼砌四邊形
球體建築師
三位數除以一位數（二）
四邊形的特性
Discover Resources
HELLO
五角錐體
三角形外心的位置
信心水準與信賴區間的副本
与两圆都相切的动圆圆心的轨迹
Discover Topics
Interest Calculation
Exponent
Square
Rhombus
Quadrilaterals