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congruent (AAA) 2
Author:
Ricky Chan
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
第八周作业
異分母分數減法
三位數除以一位數（二）
找出對稱軸
Discover Resources
簡易的迷宮
正弦图像
國旗
等腰三角形 － 等角對等邊的副本
max2
Discover Topics
Cube
Similarity Transformation or Similarity
Polygons
Quadrilaterals
Polynomial Functions