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正方形所夾三角形面積相等
Author:
vinnyya
GeoGebra
New Resources
三位數除以一位數（一）
GeoGebra笔记功能体验课件
兩位數除以一位數（一）
画直线等分三角形的面积
拼砌四邊形
Discover Resources
距離和
zhengming
semops_圓錐
空間旋轉矩陣
一筆畫
Discover Topics
Rotation
Multiplication
Subtraction
Planes
Algebra