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鹿梅一线三等角（同侧）相似模型
Author:
夜雨嘀嗒
GeoGebra
New Resources
兩組對邊相等的四邊形
GeoGebra笔记功能体验课件
拼砌四邊形
四邉形 (四年級) 教師版
三位數除以一位數（一）
Discover Resources
題1
Plane
環環相扣
正三角形堆垛
动圆与两(相离)圆外切
Discover Topics
Circle
Coordinates
Variance
Root
Calculus