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聯立方程式
Author:
liangcorn
GeoGebra
New Resources
兩位數除以一位數（一）
兩組對邊相等的四邊形
找出對稱軸
拼砌四邊形
四邊形的特性
Discover Resources
waaachen
全等三角形: 重溫
(3D) Tasks: Pyramid, Paper folding & Solid of revolution[20170615]
正弦余弦刻度尺
力的拆解
Discover Topics
Binomial Distribution
Exponent
Optimization Problems
Mode
Sphere