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沈暐珊 橢圓反射
Author:
fu0 fu6
GeoGebra
New Resources
比較五件物件的重量
椭圆内切圆链
正方形雪花图案
第八周作业3
常见四边形是否是双心四边形
Discover Resources
習題1.1 (P16) _ 2016.10.02
How to draw an ennegon with ruler and compasses?
P53_3b
ghseh 二次函數的開口方向
GeoGebra繪本製作