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GeoGebra
GeoGebra Classroom
GeoGebra
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Author:
许业成
GeoGebra
New Resources
椭圆内切圆链
龙形曲线-分形龙
活动三:应用性质
第三周作业效果演示
百分數及其應用
Discover Resources
Polygon incised
圖解直式開方
整數點
学用数学(分季)
乘法训练
Discover Topics
Matrices
Symmetry
Rectangle
Planes
Linear Functions