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GeoGebra
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三角四星
Author:
吳秉沂
GeoGebra
New Resources
Fibonacci Clock
近似值：有效數字
Earth with coastline
兩組對邊相等的四邊形
小数 的副本
Discover Resources
點到直線的距離9：常數項差距與距離比為法向量長度
彈幕模擬
Lesson02 absolute value function
足迹
Copy of 三角形的面積
Discover Topics
Linear Programming or Linear Optimization
Cone
Dilation
Mode
Square