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GeoGebra Classroom
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Author:
蔡永志
GeoGebra
New Resources
龙形曲线-分形龙2
探究三角形的全等條件
盈利與虧蝕
三角函数 的副本
常见四边形是否是双心四边形
Discover Resources
Comparing fractions using number lines and rectangles
尋找極小值
圆在多边形上滚动
Locus (Two points 1)
圆的面积展开的副本