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1023(2)
Author:
lee chao ming
GeoGebra
New Resources
撒针估算面积实验
正方形雪花图案
折扣
第八周作业3
常见四边形是否是双心四边形
Discover Resources
同心圓和線段-2(最外圓大小固定)
All in one (Centres of triangle)
中國火柴遊戲一
疊代四邊形
圆锥的侧面展开图3D动画的副本
Discover Topics
Constructions
Curve Sketching
Exponential Functions
Statistics
Arithmetic Mean