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GGB練習
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涂老師
GeoGebra
New Resources
GeoGebra数学资源(4-8年级)
椭圆内切圆链
百分數及其應用
折扣
龙形曲线-分形龙2
Discover Resources
封閉著色2
Dynamic HSV Color Platte
把手(環面)
反比例函数的图像与性质
动圆与两圆外切与内切(1)
Discover Topics
Optimization Problems
Constructions
Trigonometric Functions
Symmetry
Triangles