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正方形
Author:
楊騏鴻
GeoGebra
New Resources
画直线等分三角形的面积
斜率的值
探究三角形的全等條件
三位數除以一位數（一）
圓周公式的應用
Discover Resources
Equal chords cut off equal arcs in a circle
量度活動所用的時間 (時、分、秒)
滑桿分段控制的基礎
謝爾冰司機-正方形
百分數、分數和小數互化
Discover Topics
Pie Chart or Circle Chart
Vectors 3D (Three-Dimensional)
General Quadrilateral
Surface
Function Graph