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凸透镜成像
Author:
myao1999
GeoGebra
New Resources
找出對稱軸
四邊形的特性
兩組對邊相等的四邊形
三位數除以一位數（二）
GeoGebra笔记功能体验课件
Discover Resources
神之作
Pokemon quiz (daliy)
重心
對稱圖形
数学中考分区试题
Discover Topics
Area
Dilation
Quadratic Functions
Parallelogram
Kite