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老皮
Author:
alina0217
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
三位數除以一位數（二）
柱體建築師
錐體建築師
Discover Resources
堆垛六顆橘子
手机下载课件
國旗
鑲嵌
展開圓面積 (講義版)的副本
Discover Topics
Tangent Function
Unit Circle
Polygons
Linear Functions
Vectors 2D (Two-Dimensional)