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點到直線距離-3 最短發生在垂直時
Author:
arist
GeoGebra
New Resources
撒针估算面积实验
平行線的判定
GeoGebra数学资源(4-8年级)
折扣
斐波那契螺旋弧线(表格法-可动态调节)
Discover Resources
三角形外角和=360⁰
橢圓軌跡
[S2] a revised version of Jane’s GeoGebra file (modified by the author)
正方形堆垛
数学涂鸦
Discover Topics
Subtraction
LCM and GCD
Isosceles Triangles
Ellipse
Linear Programming or Linear Optimization