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圓周 (圖形H)
Author:
Keith Ko
移動右圖中的紅線到左方虛線，就知道它是相等於左圖的哪條線。
GeoGebra
New Resources
sanjiaohanshu
第八周作业
算柱 (兩位數)
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
Discover Resources
畫三角形 題1b
阿波羅尼亞圓
立體展開圖
cycloid
二面角的副本
Discover Topics
Similarity Transformation or Similarity
Arithmetic
Square
Probability
Intersection